[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 bootblock starting... LPC: Trying to open IO window from 800 size 1ff LPC: Opened IO window LGIR0: base 800 size 100 LPC: Opened IO window LGIR1: base 900 size 100 VBOOT: Loading verstage. FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset ba4c0 size fab4 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 verstage starting... LPSS I2C bus 2 at 0xfe022000 (400 KHz) TPM ready after 4 ms cr50 TPM 2.0 (i2c 2:0x50 id 0x28) setup_tpm():514: TPM: SetupTPM() succeeded src/lib/tpm2_tlcl.c:208 index 0x1007 return code 0 Phase 1 FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area GBB found @ 380000 (262144 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0 Phase 2 Phase 3 FMAP: area GBB found @ 380000 (262144 bytes) VB2:vb2_report_dev_firmware() This is developer signed firmware FMAP: area VBLOCK_B found @ 8b0000 (65536 bytes) FMAP: area VBLOCK_B found @ 8b0000 (65536 bytes) VB2:vb2_verify_keyblock() Checking key block signature... FMAP: area VBLOCK_B found @ 8b0000 (65536 bytes) FMAP: area VBLOCK_B found @ 8b0000 (65536 bytes) VB2:vb2_verify_fw_preamble() Verifying preamble. Phase 4 FMAP: area FW_MAIN_B found @ 8c0000 (4652992 bytes) VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW VB2:vb2_rsa_verify_digest() Digest check failed! VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7 Saving nvdata Reboot requested (10020007) hard_reset() called! CSE is not yet ready, waiting CSE timed out. Resetting coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 bootblock starting... LPC: Trying to open IO window from 800 size 1ff LPC: Opened IO window LGIR0: base 800 size 100 LPC: Opened IO window LGIR1: base 900 size 100 VBOOT: Loading verstage. FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset ba4c0 size fab4 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 verstage starting... LPSS I2C bus 2 at 0xfe022000 (400 KHz) TPM ready after 4 ms cr50 TPM 2.0 (i2c 2:0x50 id 0x28) setup_tpm():514: TPM: SetupTPM() succeeded src/lib/tpm2_tlcl.c:208 index 0x1007 return code 0 Phase 1 FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area GBB found @ 380000 (262144 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x1b / 0x7 VB2:vb2_check_recovery() We have a recovery request: 0x1b / 0x0 Recovery requested (1009000e) Saving nvdata tlcl_extend: response is 0 tlcl_extend: response is 0 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/romstage' CBFS: Found @ offset 80 size 11c5c coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 romstage starting... pm1_sts: 0000 pm1_en: 0000 pm1_cnt: 00001c00 gpe0_sts[0]: 00000000 gpe0_en[0]: 00008000 gpe0_sts[1]: 00000000 gpe0_en[1]: 00000000 gpe0_sts[2]: 00000000 gpe0_en[2]: 00000000 gpe0_sts[3]: 00000000 gpe0_en[3]: 00000000 prsts: 00000000 tco_sts: 00000000 gen_pmcon1: 04004000 gen_pmcon2: 00003a00 gen_pmcon3: 00000000 prev_sleep_state 0 Boot Count incremented to 97818 FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fspm.bin' CBFS: Found @ offset 2efc0 size 59000 FMAP: area RECOVERY_MRC_CACHE found @ 400000 (65536 bytes) Locality already claimed cr50 TPM 2.0 (i2c 2:0x50 id 0x28) src/lib/tpm2_tlcl.c:208 index 0x100b return code 0 MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE MRC cache found, size b2c0 bootmode:2 LPDDR4 SKU id = 0x1 LP4DDR speed is 2400MHz LPDDR4 Ch0 density = 2 LPDDR4 Ch1 density = 2 FMAP: area RW_VAR_MRC_CACHE found @ 420000 (4096 bytes) CBMEM: IMD: root @ 7afff000 254 entries. IMD: root @ 7affec00 62 entries. External stage cache: IMD: root @ 7b7ff000 254 entries. IMD: root @ 7b7fec00 62 entries. creating vboot_handoff structure Chrome EC: clear events_b mask to 0x21004000 src/lib/tpm2_tlcl.c:208 index 0x100b return code 0 tlcl_write: response is 0 src/lib/tpm2_tlcl.c:208 index 0x100b return code 0 MRC: TPM MRC hash updated successfully. CPU: frequency set to 2500 MHz 4 DIMMs found MTRR Range: Start=7a000000 End=7b000000 (Size 1000000) MTRR Range: Start=ff000000 End=0 (Size 1000000) MTRR Range: Start=7b000000 End=7b800000 (Size 800000) FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/postcar' CBFS: Found @ offset b3000 size 45b8 Decompressing stage fallback/postcar @ 0x7abc5fc0 (34440 bytes) Loading module at 7abc6000 with entry 7abc6000. filesize: 0x4350 memsize: 0x8648 Processing 131 relocs. Offset value of 0x78bc6000 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 postcar starting... FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/ramstage' CBFS: Found @ offset 15dc0 size 17c31 Decompressing stage fallback/ramstage @ 0x7ab77fc0 (314352 bytes) Loading module at 7ab78000 with entry 7ab78000. filesize: 0x34618 memsize: 0x4cbb0 Processing 2993 relocs. Offset value of 0x7aa78000 coreboot-v1.9308_26_0.0.22-2597-gfa32d89ed3 Tue Sep 29 21:34:05 UTC 2020 ramstage starting... FMAP: Found "FLASH" version 1.1 at 204000. FMAP: base = 0 size = 1000000 #areas = 35 FMAP: area RO_VPD found @ 200000 (16384 bytes) WARNING: RO_VPD is uninitialized or empty. FMAP: area RW_VPD found @ 428000 (8192 bytes) FMAP: area RW_VPD found @ 428000 (8192 bytes) Normal boot. BS: BS_PRE_DEVICE times (us): entry 18 run 210 exit 0 Board ID: 5 mainboard: EC init Chrome EC: Set WAKE mask to 0x00000000 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 88fc0 size 2a000 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'vbt-babytiger.bin' CBFS: Found @ offset 155800 size 528 Found a VBT of 6656 bytes after decompression ITSS IRQ Polarities Before: IPC0: 0xffffeef8 IPC1: 0xffffffff IPC2: 0xffffffff IPC3: 0x00ffffff ITSS IRQ Polarities After: IPC0: 0xffffeef8 IPC1: 0x4a07ffff IPC2: 0x08000000 IPC3: 0x00a11000 RAPL PL1 12.0W RAPL PL2 15.0W BS: BS_DEV_INIT_CHIPS times (us): entry 0 run 269485 exit 0 Enumerating buses... Show all devs... Before device enumeration. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 DOMAIN: 0000: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:00.1: enabled 1 PCI: 00:00.2: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:03.0: enabled 1 PCI: 00:0d.0: enabled 1 PCI: 00:0d.1: enabled 1 PCI: 00:0d.2: enabled 1 PCI: 00:0d.3: enabled 1 PCI: 00:0e.0: enabled 1 GENERIC: 0.0: enabled 1 PCI: 00:11.0: enabled 0 PCI: 00:12.0: enabled 0 PCI: 00:13.0: enabled 0 PCI: 00:13.1: enabled 0 PCI: 00:13.2: enabled 0 PCI: 00:13.3: enabled 0 PCI: 00:14.0: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 0 PCI: 00:16.0: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:16.1: enabled 1 PCI: 00:16.2: enabled 1 I2C: 00:50: enabled 1 PCI: 00:16.3: enabled 1 I2C: 00:10: enabled 1 I2C: 00:39: enabled 1 PCI: 00:17.0: enabled 1 I2C: 00:15: enabled 1 I2C: 00:2c: enabled 1 PCI: 00:17.1: enabled 1 I2C: 00:09: enabled 1 PCI: 00:17.2: enabled 0 PCI: 00:17.3: enabled 0 PCI: 00:18.0: enabled 1 PCI: 00:18.1: enabled 1 PCI: 00:18.2: enabled 1 PCI: 00:18.3: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 0 PCI: 00:19.2: enabled 0 PCI: 00:1a.0: enabled 1 PCI: 00:1b.0: enabled 1 PCI: 00:1c.0: enabled 1 PCI: 00:1e.0: enabled 0 PCI: 00:1f.0: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:1f.1: enabled 1 Compare with tree... Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 DOMAIN: 0000: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:00.1: enabled 1 PCI: 00:00.2: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:03.0: enabled 1 PCI: 00:0d.0: enabled 1 PCI: 00:0d.1: enabled 1 PCI: 00:0d.2: enabled 1 PCI: 00:0d.3: enabled 1 PCI: 00:0e.0: enabled 1 GENERIC: 0.0: enabled 1 PCI: 00:11.0: enabled 0 PCI: 00:12.0: enabled 0 PCI: 00:13.0: enabled 0 PCI: 00:13.1: enabled 0 PCI: 00:13.2: enabled 0 PCI: 00:13.3: enabled 0 PCI: 00:14.0: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 0 PCI: 00:16.0: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:16.1: enabled 1 PCI: 00:16.2: enabled 1 I2C: 00:50: enabled 1 PCI: 00:16.3: enabled 1 I2C: 00:10: enabled 1 I2C: 00:39: enabled 1 PCI: 00:17.0: enabled 1 I2C: 00:15: enabled 1 I2C: 00:2c: enabled 1 PCI: 00:17.1: enabled 1 I2C: 00:09: enabled 1 PCI: 00:17.2: enabled 0 PCI: 00:17.3: enabled 0 PCI: 00:18.0: enabled 1 PCI: 00:18.1: enabled 1 PCI: 00:18.2: enabled 1 PCI: 00:18.3: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 0 PCI: 00:19.2: enabled 0 PCI: 00:1a.0: enabled 1 PCI: 00:1b.0: enabled 1 PCI: 00:1c.0: enabled 1 PCI: 00:1e.0: enabled 0 PCI: 00:1f.0: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:1f.1: enabled 1 Root Device scanning... root_dev_scan_bus for Root Device CPU_CLUSTER: 0 enabled DOMAIN: 0000 enabled DOMAIN: 0000 scanning... PCI: pci_scan_bus for bus 00 PCI: 00:00.0 [8086/0000] ops PCI: 00:00.0 [8086/5af0] enabled PCI: 00:00.1 [8086/5a8c] enabled PCI: 00:00.2 [8086/5a8e] enabled PCI: 00:02.0 [8086/0000] ops PCI: 00:02.0 [8086/5a84] enabled PCI: 00:03.0 [8086/5a88] enabled PCI: 00:0d.0 [8086/0000] ops PCI: 00:0d.0 [8086/5a92] enabled PCI: 00:0d.1 [8086/0000] ops PCI: 00:0d.1 [8086/5a94] enabled PCI: 00:0d.2 [8086/5a96] enabled PCI: 00:0d.3 [8086/0000] ops PCI: 00:0d.3 [8086/5aec] enabled PCI: 00:0e.0 [8086/0000] bus ops PCI: 00:0e.0 [8086/5a98] enabled PCI: 00:0f.0 [8086/0000] ops PCI: 00:0f.0 [8086/5a9a] enabled PCI: 00:0f.1 [8086/5a9c] enabled PCI: 00:0f.2 [8086/5a9e] enabled Capability: type 0x10 @ 0x40 Capability: type 0x05 @ 0x80 Capability: type 0x0d @ 0x90 Capability: type 0x01 @ 0xa0 Capability: type 0x10 @ 0x40 PCI: 00:14.0 subordinate bus PCI Express PCI: 00:14.0 [8086/5ad6] enabled PCI: 00:15.0 [8086/0000] ops PCI: 00:15.0 [8086/5aa8] enabled PCI: 00:16.0 [8086/0000] bus ops PCI: 00:16.0 [8086/5aac] enabled PCI: 00:16.1 [8086/0000] bus ops PCI: 00:16.1 [8086/5aae] enabled PCI: 00:16.2 [8086/0000] bus ops PCI: 00:16.2 [8086/5ab0] enabled PCI: 00:16.3 [8086/0000] bus ops PCI: 00:16.3 [8086/5ab2] enabled PCI: 00:17.0 [8086/0000] bus ops PCI: 00:17.0 [8086/5ab4] enabled PCI: 00:17.1 [8086/0000] bus ops PCI: 00:17.1 [8086/5ab6] enabled PCI: 00:18.0 [8086/0000] ops PCI: 00:18.0 [8086/5abc] enabled PCI: 00:18.1 [8086/0000] ops PCI: 00:18.1 [8086/5abe] enabled PCI: 00:18.2 [8086/0000] ops PCI: 00:18.2 [8086/5ac0] enabled PCI: 00:19.0 [8086/5ac2] enabled PCI: Static device PCI: 00:1a.0 not found, disabling it. PCI: 00:1b.0 [8086/0000] ops PCI: 00:1b.0 [8086/5aca] enabled PCI: 00:1c.0 [8086/5acc] enabled PCI: 00:1f.0 [8086/0000] bus ops PCI: 00:1f.0 [8086/5ae8] enabled PCI: 00:1f.1 [8086/5ad4] enabled PCI: 00:0e.0 scanning... GENERIC: 0.0 enabled scan_bus: scanning of bus PCI: 00:0e.0 took 4853 usecs PCI: 00:14.0 scanning... do_pci_scan_bridge for PCI: 00:14.0 PCI: pci_scan_bus for bus 01 PCI: 01:00.0 [8086/095a] enabled Capability: type 0x01 @ 0xc8 Capability: type 0x05 @ 0xd0 Capability: type 0x10 @ 0x40 Capability: type 0x10 @ 0x40 Enabling Common Clock Configuration L1 Sub-State supported from root port 20 L1 Sub-State Support = 0xf CommonModeRestoreTime = 0x28 Power On Value = 0x1e, Power On Scale = 0x0 ASPM: Enabled L1 Capability: type 0x01 @ 0xc8 Capability: type 0x05 @ 0xd0 Capability: type 0x10 @ 0x40 scan_bus: scanning of bus PCI: 00:14.0 took 52966 usecs PCI: 00:16.0 scanning... scan_generic_bus for PCI: 00:16.0 bus: PCI: 00:16.0[0]->I2C: 01:1a enabled scan_generic_bus for PCI: 00:16.0 done scan_bus: scanning of bus PCI: 00:16.0 took 14119 usecs PCI: 00:16.1 scanning... scan_generic_bus for PCI: 00:16.1 scan_generic_bus for PCI: 00:16.1 done scan_bus: scanning of bus PCI: 00:16.1 took 10029 usecs PCI: 00:16.2 scanning... scan_generic_bus for PCI: 00:16.2 bus: PCI: 00:16.2[0]->I2C: 02:50 enabled scan_generic_bus for PCI: 00:16.2 done scan_bus: scanning of bus PCI: 00:16.2 took 14111 usecs PCI: 00:16.3 scanning... scan_generic_bus for PCI: 00:16.3 bus: PCI: 00:16.3[0]->I2C: 03:10 enabled bus: PCI: 00:16.3[0]->I2C: 03:39 enabled scan_generic_bus for PCI: 00:16.3 done scan_bus: scanning of bus PCI: 00:16.3 took 18207 usecs PCI: 00:17.0 scanning... scan_generic_bus for PCI: 00:17.0 bus: PCI: 00:17.0[0]->I2C: 04:15 enabled bus: PCI: 00:17.0[0]->I2C: 04:2c enabled scan_generic_bus for PCI: 00:17.0 done scan_bus: scanning of bus PCI: 00:17.0 took 18216 usecs PCI: 00:17.1 scanning... scan_generic_bus for PCI: 00:17.1 bus: PCI: 00:17.1[0]->I2C: 05:09 enabled scan_generic_bus for PCI: 00:17.1 done scan_bus: scanning of bus PCI: 00:17.1 took 14111 usecs PCI: 00:1f.0 scanning... scan_lpc_bus for PCI: 00:1f.0 PNP: 0c09.0 enabled scan_lpc_bus for PCI: 00:1f.0 done scan_bus: scanning of bus PCI: 00:1f.0 took 11298 usecs scan_bus: scanning of bus DOMAIN: 0000 took 393107 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 413160 usecs done FMAP: area RECOVERY_MRC_CACHE found @ 400000 (65536 bytes) MRC: Checking cached data update for 'RECOVERY_MRC_CACHE'. SF: Detected FAST_SPI Hardware Sequencer with sector size 0x1000, total 0x1000000 FMAP: area RW_VAR_MRC_CACHE found @ 420000 (4096 bytes) MRC: Checking cached data update for 'RW_VAR_MRC_CACHE'. MRC: cache data 'RW_VAR_MRC_CACHE' needs update. FMAP: area RW_ELOG found @ 421000 (12288 bytes) ELOG: NV offset 0x421000 size 0x3000 ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024 ELOG: Event(17) added with size 13 at 2023-12-14 00:32:58 UTC POST: Unexpected post code in previous boot: 0x98 ELOG: Event(A3) added with size 11 at 2023-12-14 00:32:58 UTC ELOG: Event(AA) added with size 11 at 2023-12-14 00:32:58 UTC FMAP: area UNIFIED_MRC_CACHE found @ 400000 (135168 bytes) SPI flash protection: WPSW=0 SRP0=0 MRC: NOT enabling PRR for 'UNIFIED_MRC_CACHE'. BS: BS_DEV_ENUMERATE times (us): entry 0 run 704012 exit 96621 found VGA at PCI: 00:02.0 Setting up VGA for PCI: 00:02.0 Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000 Setting PCI_BRIDGE_CTL_VGA for bridge Root Device Allocating resources... Reading resources... Root Device read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 PCI: 00:0e.0 read_resources bus 0 link: 0 PCI: 00:0e.0 read_resources bus 0 link: 0 done PCI: 00:14.0 read_resources bus 1 link: 0 PCI: 00:14.0 read_resources bus 1 link: 0 done PCI: 00:16.0 read_resources bus 1 link: 0 PCI: 00:16.0 read_resources bus 1 link: 0 done PCI: 00:16.2 read_resources bus 2 link: 0 PCI: 00:16.2 read_resources bus 2 link: 0 done PCI: 00:16.3 read_resources bus 3 link: 0 PCI: 00:16.3 read_resources bus 3 link: 0 done PCI: 00:17.0 read_resources bus 4 link: 0 PCI: 00:17.0 read_resources bus 4 link: 0 done PCI: 00:17.1 read_resources bus 5 link: 0 PCI: 00:17.1 read_resources bus 5 link: 0 done PCI: 00:1f.0 read_resources bus 0 link: 0 PCI: 00:1f.0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 done Root Device read_resources bus 0 link: 0 done Done reading resources. Show resources in subtree (Root Device)...After reading. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 10000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 2 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 3 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index 5 PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base 100000000 size 80000000 align 0 gran 0 limit 0 flags e0004200 index 7 PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index 8 PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index 9 PCI: 00:00.0 resource base 11800000 size 400000 align 0 gran 0 limit 0 flags f0004200 index a PCI: 00:00.0 resource base 11000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 12000000 size 100000 align 0 gran 0 limit 0 flags f0004200 index c PCI: 00:00.0 resource base 12150000 size 1000 align 0 gran 0 limit 0 flags f0004200 index d PCI: 00:00.0 resource base 12140000 size 10000 align 0 gran 0 limit 0 flags f0004200 index e PCI: 00:00.0 resource base 10000000 size 1000000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:00.0 resource base 11c00000 size 400000 align 0 gran 0 limit 0 flags f0004200 index 10 PCI: 00:00.0 resource base 12100000 size 40000 align 0 gran 0 limit 0 flags f0004200 index 11 PCI: 00:00.1 PCI: 00:00.1 resource base 0 size 8000 align 15 gran 15 limit ffffffffffffffff flags 201 index 10 PCI: 00:00.2 PCI: 00:00.2 resource base 0 size 100000 align 20 gran 20 limit ffffffffffffffff flags 201 index 10 PCI: 00:00.2 resource base 0 size 800000 align 23 gran 23 limit ffffffffffffffff flags 201 index 18 PCI: 00:00.2 resource base 0 size 200 align 12 gran 9 limit ffffffffffffffff flags 201 index 20 PCI: 00:02.0 PCI: 00:02.0 resource base 0 size 1000000 align 24 gran 24 limit ffffffffffffffff flags 201 index 10 PCI: 00:02.0 resource base 0 size 10000000 align 28 gran 28 limit ffffffffffffffff flags 1201 index 18 PCI: 00:02.0 resource base 0 size 40 align 6 gran 6 limit ffff flags 100 index 20 PCI: 00:03.0 PCI: 00:03.0 resource base 0 size 1000000 align 24 gran 24 limit 7fffffffff flags 201 index 10 PCI: 00:0d.0 PCI: 00:0d.0 resource base d0000000 size 1000000 align 0 gran 0 limit 0 flags f0000200 index 10 PCI: 00:0d.1 PCI: 00:0d.1 resource base fe042000 size 2000 align 0 gran 0 limit 0 flags c0000200 index 10 PCI: 00:0d.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:0d.1 resource base 400 size 100 align 0 gran 0 limit 0 flags c0000100 index 20 PCI: 00:0d.2 PCI: 00:0d.2 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10 PCI: 00:0d.3 PCI: 00:0d.3 resource base fe900000 size 2000 align 0 gran 0 limit 0 flags c0000200 index 10 PCI: 00:0d.3 resource base fe902000 size 1000 align 0 gran 0 limit 0 flags c0000200 index 18 PCI: 00:0e.0 child on link 0 GENERIC: 0.0 PCI: 00:0e.0 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10 PCI: 00:0e.0 resource base 0 size 100000 align 20 gran 20 limit ffffffffffffffff flags 201 index 20 GENERIC: 0.0 PCI: 00:0f.0 PCI: 00:0f.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:0f.1 PCI: 00:0f.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:0f.2 PCI: 00:0f.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:11.0 PCI: 00:12.0 PCI: 00:13.0 PCI: 00:13.1 PCI: 00:13.2 PCI: 00:13.3 PCI: 00:14.0 child on link 0 PCI: 01:00.0 PCI: 00:14.0 resource base 0 size 0 align 12 gran 12 limit ffff flags 80102 index 1c PCI: 00:14.0 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24 PCI: 00:14.0 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10 PCI: 00:14.1 PCI: 00:15.0 PCI: 00:15.0 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 10 PCI: 00:15.1 PCI: 00:16.0 child on link 0 I2C: 01:1a PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 I2C: 01:1a PCI: 00:16.1 PCI: 00:16.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:16.2 child on link 0 I2C: 02:50 PCI: 00:16.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 I2C: 02:50 PCI: 00:16.3 child on link 0 I2C: 03:10 PCI: 00:16.3 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.3 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 I2C: 03:10 I2C: 03:39 PCI: 00:17.0 child on link 0 I2C: 04:15 PCI: 00:17.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:17.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 I2C: 04:15 I2C: 04:2c PCI: 00:17.1 child on link 0 I2C: 05:09 PCI: 00:17.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:17.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 I2C: 05:09 PCI: 00:17.2 PCI: 00:17.3 PCI: 00:18.0 PCI: 00:18.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:18.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:18.1 PCI: 00:18.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:18.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:18.2 PCI: 00:18.2 resource base de000000 size 1000 align 0 gran 0 limit 0 flags e0000200 index 10 PCI: 00:18.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:18.3 PCI: 00:19.0 PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:19.1 PCI: 00:19.2 PCI: 00:1a.0 PCI: 00:1b.0 PCI: 00:1b.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1b.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:1c.0 PCI: 00:1c.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1c.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:1e.0 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.1 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.1 resource base 0 size 20 align 5 gran 5 limit ffff flags 100 index 20 DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff PCI: 00:14.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff PCI: 00:14.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff done PCI: 00:02.0 20 * [0x0 - 0x3f] io PCI: 00:1f.1 20 * [0x40 - 0x5f] io DOMAIN: 0000 io: base: 60 size: 60 align: 6 gran: 0 limit: ffff done DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff PCI: 00:14.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff PCI: 00:14.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done PCI: 00:14.0 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff PCI: 01:00.0 10 * [0x0 - 0x1fff] mem PCI: 00:14.0 mem: base: 2000 size: 100000 align: 20 gran: 20 limit: ffffffff done PCI: 00:02.0 18 * [0x0 - 0xfffffff] prefmem PCI: 00:02.0 10 * [0x10000000 - 0x10ffffff] mem PCI: 00:03.0 10 * [0x11000000 - 0x11ffffff] mem PCI: 00:00.2 18 * [0x12000000 - 0x127fffff] mem PCI: 00:00.2 10 * [0x12800000 - 0x128fffff] mem PCI: 00:0e.0 20 * [0x12900000 - 0x129fffff] mem PCI: 00:14.0 20 * [0x12a00000 - 0x12afffff] mem PCI: 00:15.0 10 * [0x12b00000 - 0x12b0ffff] mem PCI: 00:00.1 10 * [0x12b10000 - 0x12b17fff] mem PCI: 00:0e.0 10 * [0x12b18000 - 0x12b1bfff] mem PCI: 00:0d.1 18 * [0x12b1c000 - 0x12b1cfff] mem PCI: 00:0d.2 10 * [0x12b1d000 - 0x12b1dfff] mem PCI: 00:0f.0 10 * [0x12b1e000 - 0x12b1efff] mem PCI: 00:0f.1 10 * [0x12b1f000 - 0x12b1ffff] mem PCI: 00:0f.2 10 * [0x12b20000 - 0x12b20fff] mem PCI: 00:16.0 10 * [0x12b21000 - 0x12b21fff] mem PCI: 00:16.0 18 * [0x12b22000 - 0x12b22fff] mem PCI: 00:16.1 10 * [0x12b23000 - 0x12b23fff] mem PCI: 00:16.1 18 * [0x12b24000 - 0x12b24fff] mem PCI: 00:16.2 10 * [0x12b25000 - 0x12b25fff] mem PCI: 00:16.2 18 * [0x12b26000 - 0x12b26fff] mem PCI: 00:16.3 10 * [0x12b27000 - 0x12b27fff] mem PCI: 00:16.3 18 * [0x12b28000 - 0x12b28fff] mem PCI: 00:17.0 10 * [0x12b29000 - 0x12b29fff] mem PCI: 00:17.0 18 * [0x12b2a000 - 0x12b2afff] mem PCI: 00:17.1 10 * [0x12b2b000 - 0x12b2bfff] mem PCI: 00:17.1 18 * [0x12b2c000 - 0x12b2cfff] mem PCI: 00:18.0 10 * [0x12b2d000 - 0x12b2dfff] mem PCI: 00:18.0 18 * [0x12b2e000 - 0x12b2efff] mem PCI: 00:18.1 10 * [0x12b2f000 - 0x12b2ffff] mem PCI: 00:18.1 18 * [0x12b30000 - 0x12b30fff] mem PCI: 00:18.2 18 * [0x12b31000 - 0x12b31fff] mem PCI: 00:19.0 10 * [0x12b32000 - 0x12b32fff] mem PCI: 00:19.0 18 * [0x12b33000 - 0x12b33fff] mem PCI: 00:1b.0 10 * [0x12b34000 - 0x12b34fff] mem PCI: 00:1b.0 18 * [0x12b35000 - 0x12b35fff] mem PCI: 00:1c.0 10 * [0x12b36000 - 0x12b36fff] mem PCI: 00:1c.0 18 * [0x12b37000 - 0x12b37fff] mem PCI: 00:00.2 20 * [0x12b38000 - 0x12b381ff] mem PCI: 00:1f.1 10 * [0x12b39000 - 0x12b390ff] mem DOMAIN: 0000 mem: base: 12b39100 size: 12b39100 align: 28 gran: 0 limit: ffffffff done avoid_fixed_resources: DOMAIN: 0000 avoid_fixed_resources:@DOMAIN: 0000 10000000 limit 0000ffff avoid_fixed_resources:@DOMAIN: 0000 10000100 limit ffffffff constrain_resources: PCI: 00:00.0 00 base e0000000 limit efffffff mem (fixed) constrain_resources: PCI: 00:00.0 02 base 00000000 limit 0009ffff mem (fixed) constrain_resources: PCI: 00:00.0 03 base 000c0000 limit 7affffff mem (fixed) constrain_resources: PCI: 00:00.0 05 base 7b000000 limit 7b7fffff mem (fixed) constrain_resources: PCI: 00:00.0 06 base 7b800000 limit 7fffffff mem (fixed) constrain_resources: PCI: 00:0d.0 10 base d0000000 limit d0ffffff mem (fixed) constrain_resources: PCI: 00:0d.1 20 base 00000400 limit 000004ff io (fixed) constrain_resources: PCI: 00:1f.0 00 base 00000000 limit 00000fff io (fixed) avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001000 limit 0000ffff avoid_fixed_resources:@DOMAIN: 0000 10000100 base b0000000 limit cfffffff Setting resources... DOMAIN: 0000 io: base:1000 size:60 align:6 gran:0 limit:ffff PCI: 00:02.0 20 * [0x1000 - 0x103f] io PCI: 00:1f.1 20 * [0x1040 - 0x105f] io DOMAIN: 0000 io: next_base: 1060 size: 60 align: 6 gran: 0 done PCI: 00:14.0 io: base:ffff size:0 align:12 gran:12 limit:ffff PCI: 00:14.0 io: next_base: ffff size: 0 align: 12 gran: 12 done DOMAIN: 0000 mem: base:b0000000 size:12b39100 align:28 gran:0 limit:cfffffff PCI: 00:02.0 18 * [0xb0000000 - 0xbfffffff] prefmem PCI: 00:02.0 10 * [0xc0000000 - 0xc0ffffff] mem PCI: 00:03.0 10 * [0xc1000000 - 0xc1ffffff] mem PCI: 00:00.2 18 * [0xc2000000 - 0xc27fffff] mem PCI: 00:00.2 10 * [0xc2800000 - 0xc28fffff] mem PCI: 00:0e.0 20 * [0xc2900000 - 0xc29fffff] mem PCI: 00:14.0 20 * [0xc2a00000 - 0xc2afffff] mem PCI: 00:15.0 10 * [0xc2b00000 - 0xc2b0ffff] mem PCI: 00:00.1 10 * [0xc2b10000 - 0xc2b17fff] mem PCI: 00:0e.0 10 * [0xc2b18000 - 0xc2b1bfff] mem PCI: 00:0d.1 18 * [0xc2b1c000 - 0xc2b1cfff] mem PCI: 00:0d.2 10 * [0xc2b1d000 - 0xc2b1dfff] mem PCI: 00:0f.0 10 * [0xc2b1e000 - 0xc2b1efff] mem PCI: 00:0f.1 10 * [0xc2b1f000 - 0xc2b1ffff] mem PCI: 00:0f.2 10 * [0xc2b20000 - 0xc2b20fff] mem PCI: 00:16.0 10 * [0xc2b21000 - 0xc2b21fff] mem PCI: 00:16.0 18 * [0xc2b22000 - 0xc2b22fff] mem PCI: 00:16.1 10 * [0xc2b23000 - 0xc2b23fff] mem PCI: 00:16.1 18 * [0xc2b24000 - 0xc2b24fff] mem PCI: 00:16.2 10 * [0xc2b25000 - 0xc2b25fff] mem PCI: 00:16.2 18 * [0xc2b26000 - 0xc2b26fff] mem PCI: 00:16.3 10 * [0xc2b27000 - 0xc2b27fff] mem PCI: 00:16.3 18 * [0xc2b28000 - 0xc2b28fff] mem PCI: 00:17.0 10 * [0xc2b29000 - 0xc2b29fff] mem PCI: 00:17.0 18 * [0xc2b2a000 - 0xc2b2afff] mem PCI: 00:17.1 10 * [0xc2b2b000 - 0xc2b2bfff] mem PCI: 00:17.1 18 * [0xc2b2c000 - 0xc2b2cfff] mem PCI: 00:18.0 10 * [0xc2b2d000 - 0xc2b2dfff] mem PCI: 00:18.0 18 * [0xc2b2e000 - 0xc2b2efff] mem PCI: 00:18.1 10 * [0xc2b2f000 - 0xc2b2ffff] mem PCI: 00:18.1 18 * [0xc2b30000 - 0xc2b30fff] mem PCI: 00:18.2 18 * [0xc2b31000 - 0xc2b31fff] mem PCI: 00:19.0 10 * [0xc2b32000 - 0xc2b32fff] mem PCI: 00:19.0 18 * [0xc2b33000 - 0xc2b33fff] mem PCI: 00:1b.0 10 * [0xc2b34000 - 0xc2b34fff] mem PCI: 00:1b.0 18 * [0xc2b35000 - 0xc2b35fff] mem PCI: 00:1c.0 10 * [0xc2b36000 - 0xc2b36fff] mem PCI: 00:1c.0 18 * [0xc2b37000 - 0xc2b37fff] mem PCI: 00:00.2 20 * [0xc2b38000 - 0xc2b381ff] mem PCI: 00:1f.1 10 * [0xc2b39000 - 0xc2b390ff] mem DOMAIN: 0000 mem: next_base: c2b39100 size: 12b39100 align: 28 gran: 0 done PCI: 00:14.0 prefmem: base:cfffffff size:0 align:20 gran:20 limit:cfffffff PCI: 00:14.0 prefmem: next_base: cfffffff size: 0 align: 20 gran: 20 done PCI: 00:14.0 mem: base:c2a00000 size:100000 align:20 gran:20 limit:c2afffff PCI: 01:00.0 10 * [0xc2a00000 - 0xc2a01fff] mem PCI: 00:14.0 mem: next_base: c2a02000 size: 100000 align: 20 gran: 20 done Root Device assign_resources, bus 0 link: 0 DOMAIN: 0000 assign_resources, bus 0 link: 0 PCI: 00:00.1 10 <- [0x00c2b10000 - 0x00c2b17fff] size 0x00008000 gran 0x0f mem64 PCI: 00:00.2 10 <- [0x00c2800000 - 0x00c28fffff] size 0x00100000 gran 0x14 mem64 PCI: 00:00.2 18 <- [0x00c2000000 - 0x00c27fffff] size 0x00800000 gran 0x17 mem64 PCI: 00:00.2 20 <- [0x00c2b38000 - 0x00c2b381ff] size 0x00000200 gran 0x09 mem64 PCI: 00:02.0 10 <- [0x00c0000000 - 0x00c0ffffff] size 0x01000000 gran 0x18 mem64 PCI: 00:02.0 18 <- [0x00b0000000 - 0x00bfffffff] size 0x10000000 gran 0x1c prefmem64 PCI: 00:02.0 20 <- [0x0000001000 - 0x000000103f] size 0x00000040 gran 0x06 io PCI: 00:03.0 10 <- [0x00c1000000 - 0x00c1ffffff] size 0x01000000 gran 0x18 mem64 PCI: 00:0d.1 18 <- [0x00c2b1c000 - 0x00c2b1cfff] size 0x00001000 gran 0x0c mem64 PCI: 00:0d.1 10 <- [0x00fe042000 - 0x00fe043fff] size 0x00002000 gran 0x00 mem PMC BAR PCI: 00:0d.1 20 <- [0x0000000400 - 0x00000004ff] size 0x00000100 gran 0x00 io ACPI BAR PCI: 00:0d.2 10 <- [0x00c2b1d000 - 0x00c2b1dfff] size 0x00001000 gran 0x0c mem PCI: 00:0d.3 10 <- [0x00fe900000 - 0x00fe901fff] size 0x00002000 gran 0x00 mem SRAM BAR 0 PCI: 00:0d.3 18 <- [0x00fe902000 - 0x00fe902fff] size 0x00001000 gran 0x00 mem SRAM BAR 2 PCI: 00:0e.0 10 <- [0x00c2b18000 - 0x00c2b1bfff] size 0x00004000 gran 0x0e mem64 PCI: 00:0e.0 20 <- [0x00c2900000 - 0x00c29fffff] size 0x00100000 gran 0x14 mem64 PCI: 00:0e.0 assign_resources, bus 0 link: 0 PCI: 00:0e.0 assign_resources, bus 0 link: 0 PCI: 00:0f.0 10 <- [0x00c2b1e000 - 0x00c2b1efff] size 0x00001000 gran 0x0c mem64 PCI: 00:0f.1 10 <- [0x00c2b1f000 - 0x00c2b1ffff] size 0x00001000 gran 0x0c mem64 PCI: 00:0f.2 10 <- [0x00c2b20000 - 0x00c2b20fff] size 0x00001000 gran 0x0c mem64 PCI: 00:14.0 1c <- [0x000000ffff - 0x000000fffe] size 0x00000000 gran 0x0c bus 01 io PCI: 00:14.0 24 <- [0x00cfffffff - 0x00cffffffe] size 0x00000000 gran 0x14 bus 01 prefmem PCI: 00:14.0 20 <- [0x00c2a00000 - 0x00c2afffff] size 0x00100000 gran 0x14 bus 01 mem PCI: 00:14.0 assign_resources, bus 1 link: 0 PCI: 01:00.0 10 <- [0x00c2a00000 - 0x00c2a01fff] size 0x00002000 gran 0x0d mem64 PCI: 00:14.0 assign_resources, bus 1 link: 0 PCI: 00:15.0 10 <- [0x00c2b00000 - 0x00c2b0ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:16.0 10 <- [0x00c2b21000 - 0x00c2b21fff] size 0x00001000 gran 0x0c mem64 PCI: 00:16.0 18 <- [0x00c2b22000 - 0x00c2b22fff] size 0x00001000 gran 0x0c mem64 PCI: 00:16.0 assign_resources, bus 1 link: 0 PCI: 00:16.0 assign_resources, bus 1 link: 0 PCI: 00:16.1 10 <- [0x00c2b23000 - 0x00c2b23fff] size 0x00001000 gran 0x0c mem64 PCI: 00:16.1 18 <- [0x00c2b24000 - 0x00c2b24fff] size 0x00001000 gran 0x0c mem64 PCI: 00:16.2 10 <- [0x00c2b25000 - 0x00c2b25fff] size 0x00001000 gran 0x0c mem64 PCI: 00:16.2 18 <- [0x00c2b26000 - 0x00c2b26fff] size 0x00001000 gran 0x0c mem64 PCI: 00:16.2 assign_resources, bus 2 link: 0 PCI: 00:16.2 assign_resources, bus 2 link: 0 PCI: 00:16.3 10 <- [0x00c2b27000 - 0x00c2b27fff] size 0x00001000 gran 0x0c mem64 PCI: 00:16.3 18 <- [0x00c2b28000 - 0x00c2b28fff] size 0x00001000 gran 0x0c mem64 PCI: 00:16.3 assign_resources, bus 3 link: 0 PCI: 00:16.3 assign_resources, bus 3 link: 0 PCI: 00:17.0 10 <- [0x00c2b29000 - 0x00c2b29fff] size 0x00001000 gran 0x0c mem64 PCI: 00:17.0 18 <- [0x00c2b2a000 - 0x00c2b2afff] size 0x00001000 gran 0x0c mem64 PCI: 00:17.0 assign_resources, bus 4 link: 0 PCI: 00:17.0 assign_resources, bus 4 link: 0 PCI: 00:17.1 10 <- [0x00c2b2b000 - 0x00c2b2bfff] size 0x00001000 gran 0x0c mem64 PCI: 00:17.1 18 <- [0x00c2b2c000 - 0x00c2b2cfff] size 0x00001000 gran 0x0c mem64 PCI: 00:17.1 assign_resources, bus 5 link: 0 PCI: 00:17.1 assign_resources, bus 5 link: 0 PCI: 00:18.0 10 <- [0x00c2b2d000 - 0x00c2b2dfff] size 0x00001000 gran 0x0c mem64 PCI: 00:18.0 18 <- [0x00c2b2e000 - 0x00c2b2efff] size 0x00001000 gran 0x0c mem64 PCI: 00:18.1 10 <- [0x00c2b2f000 - 0x00c2b2ffff] size 0x00001000 gran 0x0c mem64 PCI: 00:18.1 18 <- [0x00c2b30000 - 0x00c2b30fff] size 0x00001000 gran 0x0c mem64 PCI: 00:18.2 18 <- [0x00c2b31000 - 0x00c2b31fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.0 10 <- [0x00c2b32000 - 0x00c2b32fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.0 18 <- [0x00c2b33000 - 0x00c2b33fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1b.0 10 <- [0x00c2b34000 - 0x00c2b34fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1b.0 18 <- [0x00c2b35000 - 0x00c2b35fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1c.0 10 <- [0x00c2b36000 - 0x00c2b36fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1c.0 18 <- [0x00c2b37000 - 0x00c2b37fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1f.0 assign_resources, bus 0 link: 0 PNP: 0c09.0 missing set_resources PCI: 00:1f.0 assign_resources, bus 0 link: 0 LPC: Trying to open IO window from 800 size 1ff LPC: Opened IO window LGIR3: base 800 size 100 LPC: Cannot open IO window: 900 size ff No more IO windows PCI: 00:1f.1 10 <- [0x00c2b39000 - 0x00c2b390ff] size 0x00000100 gran 0x08 mem64 PCI: 00:1f.1 20 <- [0x0000001040 - 0x000000105f] size 0x00000020 gran 0x05 io DOMAIN: 0000 assign_resources, bus 0 link: 0 Root Device assign_resources, bus 0 link: 0 Done setting resources. Show resources in subtree (Root Device)...After assigning values. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 1000 size 60 align 6 gran 0 limit ffff flags 40040100 index 10000000 DOMAIN: 0000 resource base b0000000 size 12b39100 align 28 gran 0 limit cfffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 10000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 2 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 3 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index 5 PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base 100000000 size 80000000 align 0 gran 0 limit 0 flags e0004200 index 7 PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index 8 PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index 9 PCI: 00:00.0 resource base 11800000 size 400000 align 0 gran 0 limit 0 flags f0004200 index a PCI: 00:00.0 resource base 11000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 12000000 size 100000 align 0 gran 0 limit 0 flags f0004200 index c PCI: 00:00.0 resource base 12150000 size 1000 align 0 gran 0 limit 0 flags f0004200 index d PCI: 00:00.0 resource base 12140000 size 10000 align 0 gran 0 limit 0 flags f0004200 index e PCI: 00:00.0 resource base 10000000 size 1000000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:00.0 resource base 11c00000 size 400000 align 0 gran 0 limit 0 flags f0004200 index 10 PCI: 00:00.0 resource base 12100000 size 40000 align 0 gran 0 limit 0 flags f0004200 index 11 PCI: 00:00.1 PCI: 00:00.1 resource base c2b10000 size 8000 align 15 gran 15 limit c2b17fff flags 60000201 index 10 PCI: 00:00.2 PCI: 00:00.2 resource base c2800000 size 100000 align 20 gran 20 limit c28fffff flags 60000201 index 10 PCI: 00:00.2 resource base c2000000 size 800000 align 23 gran 23 limit c27fffff flags 60000201 index 18 PCI: 00:00.2 resource base c2b38000 size 200 align 12 gran 9 limit c2b381ff flags 60000201 index 20 PCI: 00:02.0 PCI: 00:02.0 resource base c0000000 size 1000000 align 24 gran 24 limit c0ffffff flags 60000201 index 10 PCI: 00:02.0 resource base b0000000 size 10000000 align 28 gran 28 limit bfffffff flags 60001201 index 18 PCI: 00:02.0 resource base 1000 size 40 align 6 gran 6 limit 103f flags 60000100 index 20 PCI: 00:03.0 PCI: 00:03.0 resource base c1000000 size 1000000 align 24 gran 24 limit c1ffffff flags 60000201 index 10 PCI: 00:0d.0 PCI: 00:0d.0 resource base d0000000 size 1000000 align 0 gran 0 limit 0 flags f0000200 index 10 PCI: 00:0d.1 PCI: 00:0d.1 resource base fe042000 size 2000 align 0 gran 0 limit 0 flags e0000200 index 10 PCI: 00:0d.1 resource base c2b1c000 size 1000 align 12 gran 12 limit c2b1cfff flags 60000201 index 18 PCI: 00:0d.1 resource base 400 size 100 align 0 gran 0 limit 0 flags e0000100 index 20 PCI: 00:0d.2 PCI: 00:0d.2 resource base c2b1d000 size 1000 align 12 gran 12 limit c2b1dfff flags 60000200 index 10 PCI: 00:0d.3 PCI: 00:0d.3 resource base fe900000 size 2000 align 0 gran 0 limit 0 flags e0000200 index 10 PCI: 00:0d.3 resource base fe902000 size 1000 align 0 gran 0 limit 0 flags e0000200 index 18 PCI: 00:0e.0 child on link 0 GENERIC: 0.0 PCI: 00:0e.0 resource base c2b18000 size 4000 align 14 gran 14 limit c2b1bfff flags 60000201 index 10 PCI: 00:0e.0 resource base c2900000 size 100000 align 20 gran 20 limit c29fffff flags 60000201 index 20 GENERIC: 0.0 PCI: 00:0f.0 PCI: 00:0f.0 resource base c2b1e000 size 1000 align 12 gran 12 limit c2b1efff flags 60000201 index 10 PCI: 00:0f.1 PCI: 00:0f.1 resource base c2b1f000 size 1000 align 12 gran 12 limit c2b1ffff flags 60000201 index 10 PCI: 00:0f.2 PCI: 00:0f.2 resource base c2b20000 size 1000 align 12 gran 12 limit c2b20fff flags 60000201 index 10 PCI: 00:11.0 PCI: 00:12.0 PCI: 00:13.0 PCI: 00:13.1 PCI: 00:13.2 PCI: 00:13.3 PCI: 00:14.0 child on link 0 PCI: 01:00.0 PCI: 00:14.0 resource base ffff size 0 align 12 gran 12 limit ffff flags 60080102 index 1c PCI: 00:14.0 resource base cfffffff size 0 align 20 gran 20 limit cfffffff flags 60081202 index 24 PCI: 00:14.0 resource base c2a00000 size 100000 align 20 gran 20 limit c2afffff flags 60080202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base c2a00000 size 2000 align 13 gran 13 limit c2a01fff flags 60000201 index 10 PCI: 00:14.1 PCI: 00:15.0 PCI: 00:15.0 resource base c2b00000 size 10000 align 16 gran 16 limit c2b0ffff flags 60000201 index 10 PCI: 00:15.1 PCI: 00:16.0 child on link 0 I2C: 01:1a PCI: 00:16.0 resource base c2b21000 size 1000 align 12 gran 12 limit c2b21fff flags 60000201 index 10 PCI: 00:16.0 resource base c2b22000 size 1000 align 12 gran 12 limit c2b22fff flags 60000201 index 18 I2C: 01:1a PCI: 00:16.1 PCI: 00:16.1 resource base c2b23000 size 1000 align 12 gran 12 limit c2b23fff flags 60000201 index 10 PCI: 00:16.1 resource base c2b24000 size 1000 align 12 gran 12 limit c2b24fff flags 60000201 index 18 PCI: 00:16.2 child on link 0 I2C: 02:50 PCI: 00:16.2 resource base c2b25000 size 1000 align 12 gran 12 limit c2b25fff flags 60000201 index 10 PCI: 00:16.2 resource base c2b26000 size 1000 align 12 gran 12 limit c2b26fff flags 60000201 index 18 I2C: 02:50 PCI: 00:16.3 child on link 0 I2C: 03:10 PCI: 00:16.3 resource base c2b27000 size 1000 align 12 gran 12 limit c2b27fff flags 60000201 index 10 PCI: 00:16.3 resource base c2b28000 size 1000 align 12 gran 12 limit c2b28fff flags 60000201 index 18 I2C: 03:10 I2C: 03:39 PCI: 00:17.0 child on link 0 I2C: 04:15 PCI: 00:17.0 resource base c2b29000 size 1000 align 12 gran 12 limit c2b29fff flags 60000201 index 10 PCI: 00:17.0 resource base c2b2a000 size 1000 align 12 gran 12 limit c2b2afff flags 60000201 index 18 I2C: 04:15 I2C: 04:2c PCI: 00:17.1 child on link 0 I2C: 05:09 PCI: 00:17.1 resource base c2b2b000 size 1000 align 12 gran 12 limit c2b2bfff flags 60000201 index 10 PCI: 00:17.1 resource base c2b2c000 size 1000 align 12 gran 12 limit c2b2cfff flags 60000201 index 18 I2C: 05:09 PCI: 00:17.2 PCI: 00:17.3 PCI: 00:18.0 PCI: 00:18.0 resource base c2b2d000 size 1000 align 12 gran 12 limit c2b2dfff flags 60000201 index 10 PCI: 00:18.0 resource base c2b2e000 size 1000 align 12 gran 12 limit c2b2efff flags 60000201 index 18 PCI: 00:18.1 PCI: 00:18.1 resource base c2b2f000 size 1000 align 12 gran 12 limit c2b2ffff flags 60000201 index 10 PCI: 00:18.1 resource base c2b30000 size 1000 align 12 gran 12 limit c2b30fff flags 60000201 index 18 PCI: 00:18.2 PCI: 00:18.2 resource base de000000 size 1000 align 0 gran 0 limit 0 flags e0000200 index 10 PCI: 00:18.2 resource base c2b31000 size 1000 align 12 gran 12 limit c2b31fff flags 60000201 index 18 PCI: 00:18.3 PCI: 00:19.0 PCI: 00:19.0 resource base c2b32000 size 1000 align 12 gran 12 limit c2b32fff flags 60000201 index 10 PCI: 00:19.0 resource base c2b33000 size 1000 align 12 gran 12 limit c2b33fff flags 60000201 index 18 PCI: 00:19.1 PCI: 00:19.2 PCI: 00:1a.0 PCI: 00:1b.0 PCI: 00:1b.0 resource base c2b34000 size 1000 align 12 gran 12 limit c2b34fff flags 60000201 index 10 PCI: 00:1b.0 resource base c2b35000 size 1000 align 12 gran 12 limit c2b35fff flags 60000201 index 18 PCI: 00:1c.0 PCI: 00:1c.0 resource base c2b36000 size 1000 align 12 gran 12 limit c2b36fff flags 60000201 index 10 PCI: 00:1c.0 resource base c2b37000 size 1000 align 12 gran 12 limit c2b37fff flags 60000201 index 18 PCI: 00:1e.0 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.1 resource base c2b39000 size 100 align 12 gran 8 limit c2b390ff flags 60000201 index 10 PCI: 00:1f.1 resource base 1040 size 20 align 5 gran 5 limit 105f flags 60000100 index 20 Done allocating resources. BS: BS_DEV_RESOURCES times (us): entry 0 run 2962322 exit 0 Enabling resources... PCI: 00:00.0 cmd <- 07 PCI: 00:00.1 subsystem <- 8086/5a8c PCI: 00:00.1 cmd <- 02 PCI: 00:00.2 subsystem <- 8086/5a8e PCI: 00:00.2 cmd <- 06 PCI: 00:02.0 cmd <- 03 PCI: 00:03.0 subsystem <- 8086/5a88 PCI: 00:03.0 cmd <- 02 PCI: 00:0d.1 cmd <- 07 PCI: 00:0d.2 subsystem <- 8086/5a96 PCI: 00:0d.2 cmd <- 406 PCI: 00:0d.3 cmd <- 06 PCI: 00:0e.0 cmd <- 02 PCI: 00:0f.0 cmd <- 06 PCI: 00:0f.1 cmd <- 06 PCI: 00:0f.2 cmd <- 06 PCI: 00:14.0 bridge ctrl <- 0003 PCI: 00:14.0 cmd <- 06 PCI: 00:15.0 cmd <- 02 PCI: 00:16.0 cmd <- 02 PCI: 00:16.1 cmd <- 02 PCI: 00:16.2 cmd <- 06 PCI: 00:16.3 cmd <- 02 PCI: 00:17.0 cmd <- 02 PCI: 00:17.1 cmd <- 02 PCI: 00:18.0 cmd <- 02 PCI: 00:18.1 cmd <- 02 PCI: 00:18.2 cmd <- 06 PCI: 00:19.0 subsystem <- 8086/5ac2 PCI: 00:19.0 cmd <- 02 PCI: 00:1b.0 cmd <- 06 PCI: 00:1c.0 subsystem <- 8086/5acc PCI: 00:1c.0 cmd <- 06 PCI: 00:1f.0 cmd <- 07 PCI: 00:1f.1 subsystem <- 8086/5ad4 PCI: 00:1f.1 cmd <- 03 PCI: 01:00.0 subsystem <- 8086/095a PCI: 01:00.0 cmd <- 02 done. BS: BS_DEV_ENABLE times (us): entry 162 run 112899 exit 0 FMAP: area FPF_STATUS found @ 42f000 (4096 bytes) Initializing devices... Root Device init ... Root Device init finished in 2145 usecs CPU_CLUSTER: 0 init ... MTRR: Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000b0000000 size 0x34800000 type 0 0x00000000b0000000 - 0x00000000c0000000 size 0x10000000 type 1 0x00000000c0000000 - 0x0000000100000000 size 0x40000000 type 0 0x0000000100000000 - 0x0000000180000000 size 0x80000000 type 6 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() CPU physical address size: 39 bits MTRR: default type WB/UC MTRR counts: 6/8. MTRR: WB selected as default type. MTRR: 0 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 1 base 0x000000007c000000 mask 0x0000007ffc000000 type 0 MTRR: 2 base 0x0000000080000000 mask 0x0000007fe0000000 type 0 MTRR: 3 base 0x00000000a0000000 mask 0x0000007ff0000000 type 0 MTRR: 4 base 0x00000000b0000000 mask 0x0000007ff0000000 type 1 MTRR: 5 base 0x00000000c0000000 mask 0x0000007fc0000000 type 0 MTRR check Fixed MTRRs : Enabled Variable MTRRs: Enabled Detected 4 core, 4 thread CPU. Will perform SMM setup. FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11d40 size 4000 microcode: sig=0x506c9 pf=0x1 revision=0x2c CPU: Intel(R) Pentium(R) CPU N4200 @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x130 memsize: 0x130 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...AP: slot 1 apic_id 6. AP: slot 3 apic_id 2. AP: slot 2 apic_id 4. done. Waiting for 2nd SIPI to complete...done. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 12 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab9065d(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010cfc. filesize: 0x3550 memsize: 0x7630 Processing 229 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 12 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010cfc(00000000) Clearing SMI status registers New SMBASE 0x7afff800 Relocation complete. New SMBASE 0x7afffc00 Relocation complete. New SMBASE 0x7afff400 Relocation complete. New SMBASE 0x7b000000 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 CPU #0 initialized Initializing CPU #3 Initializing CPU #2 Initializing CPU #1 CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 CPU #3 initialized CPU #2 initialized CPU: vendor Intel device 506c9 CPU: family 06, model 5c, stepping 09 CPU #1 initialized Enabling SMIs. MTRR: TEMPORARY Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000ff000000 size 0x83800000 type 0 0x00000000ff000000 - 0x0000000100000000 size 0x01000000 type 5 0x0000000100000000 - 0x0000000180000000 size 0x80000000 type 6 MTRR: default type WB/UC MTRR counts: 10/8. MTRR: UC selected as default type. MTRR: 0 base 0x0000000000000000 mask 0x0000007fc0000000 type 6 MTRR: 1 base 0x0000000040000000 mask 0x0000007fe0000000 type 6 MTRR: 2 base 0x0000000060000000 mask 0x0000007ff0000000 type 6 MTRR: 3 base 0x0000000070000000 mask 0x0000007ff8000000 type 6 MTRR: 4 base 0x0000000078000000 mask 0x0000007ffc000000 type 6 MTRR: 5 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 6 base 0x00000000ff000000 mask 0x0000007fff000000 type 5 MTRR: 7 base 0x0000000100000000 mask 0x0000007f00000000 type 6 CPU_CLUSTER: 0 init finished in 469830 usecs PCI: 00:00.0 init ... PCI: 00:00.0 init finished in 2230 usecs PCI: 00:00.1 init ... PCI: 00:00.1 init finished in 2242 usecs PCI: 00:00.2 init ... PCI: 00:00.2 init finished in 2234 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2233 usecs PCI: 00:03.0 init ... PCI: 00:03.0 init finished in 2240 usecs PCI: 00:0d.1 init ... gpe0_sts[0]: 00000000 gpe0_en[0]: 00000000 gpe0_sts[1]: 0ead33f7 gpe0_en[1]: 00000000 gpe0_sts[2]: 3ffd0024 gpe0_en[2]: 00000000 gpe0_sts[3]: 800ec00e gpe0_en[3]: 00000000 Disabling ACPI via APMC:Done. SLP S3 assertion width: 50000 usecs PCI: 00:0d.1 init finished in 28380 usecs PCI: 00:0d.2 init ... PCI: 00:0d.2 init finished in 2238 usecs PCI: 00:0f.0 init ... PCI: 00:0f.0 init finished in 2241 usecs PCI: 00:0f.1 init ... PCI: 00:0f.1 init finished in 2234 usecs PCI: 00:0f.2 init ... PCI: 00:0f.2 init finished in 2239 usecs PCI: 00:15.0 init ... PCI: 00:15.0 init finished in 2240 usecs PCI: 00:16.0 init ... LPSS I2C bus 0 at 0xc2b21000 (400 KHz) PCI: 00:16.0 init finished in 6135 usecs PCI: 00:16.1 init ... LPSS I2C bus 1 at 0xc2b23000 (400 KHz) PCI: 00:16.1 init finished in 6133 usecs PCI: 00:16.2 init ... LPSS I2C bus 2 at 0xc2b25000 (400 KHz) PCI: 00:16.2 init finished in 6138 usecs PCI: 00:16.3 init ... LPSS I2C bus 3 at 0xc2b27000 (400 KHz) PCI: 00:16.3 init finished in 6136 usecs PCI: 00:17.0 init ... LPSS I2C bus 4 at 0xc2b29000 (400 KHz) PCI: 00:17.0 init finished in 6133 usecs PCI: 00:17.1 init ... LPSS I2C bus 5 at 0xc2b2b000 (400 KHz) PCI: 00:17.1 init finished in 6137 usecs PCI: 00:19.0 init ... PCI: 00:19.0 init finished in 2241 usecs PCI: 00:1c.0 init ... PCI: 00:1c.0 init finished in 2238 usecs PCI: 00:1f.0 init ... RTC Init PCI: 00:1f.0 init finished in 3566 usecs PCI: 00:1f.1 init ... PCI: 00:1f.1 init finished in 2238 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2243 usecs PNP: 0c09.0 init ... Keyboard init... PS/2 keyboard initialized on primary channel Google Chrome EC: Initializing keyboard. Google Chrome EC: Hello got back 11223344 status (0) Google Chrome EC: version: ro: coral_v1.1.7292-04956f5df rw: coral_v1.1.7292-04956f5df running image: 1 PNP: 0c09.0 init finished in 42277 usecs Devices initialized Show all devs... After init. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 DOMAIN: 0000: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:00.1: enabled 1 PCI: 00:00.2: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:03.0: enabled 1 PCI: 00:0d.0: enabled 1 PCI: 00:0d.1: enabled 1 PCI: 00:0d.2: enabled 1 PCI: 00:0d.3: enabled 1 PCI: 00:0e.0: enabled 1 GENERIC: 0.0: enabled 1 PCI: 00:11.0: enabled 0 PCI: 00:12.0: enabled 0 PCI: 00:13.0: enabled 0 PCI: 00:13.1: enabled 0 PCI: 00:13.2: enabled 0 PCI: 00:13.3: enabled 0 PCI: 00:14.0: enabled 1 PCI: 01:00.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 0 PCI: 00:16.0: enabled 1 I2C: 01:1a: enabled 1 PCI: 00:16.1: enabled 1 PCI: 00:16.2: enabled 1 I2C: 02:50: enabled 1 PCI: 00:16.3: enabled 1 I2C: 03:10: enabled 1 I2C: 03:39: enabled 1 PCI: 00:17.0: enabled 1 I2C: 04:15: enabled 1 I2C: 04:2c: enabled 1 PCI: 00:17.1: enabled 1 I2C: 05:09: enabled 1 PCI: 00:17.2: enabled 0 PCI: 00:17.3: enabled 0 PCI: 00:18.0: enabled 1 PCI: 00:18.1: enabled 1 PCI: 00:18.2: enabled 1 PCI: 00:18.3: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 0 PCI: 00:19.2: enabled 0 PCI: 00:1a.0: enabled 0 PCI: 00:1b.0: enabled 1 PCI: 00:1c.0: enabled 1 PCI: 00:1e.0: enabled 0 PCI: 00:1f.0: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:0f.0: enabled 1 PCI: 00:0f.1: enabled 1 PCI: 00:0f.2: enabled 1 APIC: 06: enabled 1 APIC: 04: enabled 1 APIC: 02: enabled 1 BS: BS_DEV_INIT times (us): entry 5004 run 885228 exit 890 ELOG: Event(A1) added with size 10 at 2023-12-14 00:33:02 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2023-12-14 00:33:02 UTC elog_add_boot_reason: Logged dev mode boot Finalize devices... Devices finalized FMAP: area RW_NVRAM found @ 42a000 (20480 bytes) BS: BS_POST_DEVICE times (us): entry 24954 run 3957 exit 5287 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 60 exit 0 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/dsdt.aml' CBFS: Found @ offset b7600 size 2e40 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/slic' CBFS: 'fallback/slic' not found. ACPI: Writing ACPI tables at 7ab10000. ACPI: * FACS ACPI: * DSDT Ramoops buffer: 0x100000@0x7aa10000. ACPI: * FADT SCI is IRQ9 ACPI: added table 1/32, length now 40 ACPI: * SSDT Found 1 CPU(s) with 4 core(s) each. Turbo is available and visible PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 PSS: 1101MHz power 6000 control 0x1900 status 0x1900 PSS: 1100MHz power 6000 control 0xb00 status 0xb00 PSS: 1000MHz power 5388 control 0xa00 status 0xa00 PSS: 800MHz power 4213 control 0x800 status 0x800 \_SB.PCI0.HDAS.MAXM: Maxim Integrated 98357A Amplifier Error: Could not locate 'wifi_sar' in VPD Error: failed from getting SAR limits! \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0 lpss_i2c: bad counts. hcnt = -8 lcnt = 14 \_SB.PCI0.I2C0.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 91 lpss_i2c: bad counts. hcnt = -5 lcnt = 17 \_SB.PCI0.I2C2.TPMI: I2C TPM at I2C: 02:50 lpss_i2c: bad counts. hcnt = -1 lcnt = 77 lpss_i2c: bad counts. hcnt = -23 lcnt = 32 \_SB.PCI0.I2C3.D010: ELAN Touchscreen at I2C: 03:10 \_SB.PCI0.I2C3.D039: Raydium Touchscreen at I2C: 03:39 lpss_i2c: bad counts. hcnt = -1 lcnt = 72 lpss_i2c: bad counts. hcnt = -23 lcnt = 27 \_SB.PCI0.I2C4.D015: ELAN Touchpad at I2C: 04:15 \_SB.PCI0.I2C4.H02C: Synaptics Touchpad at I2C: 04:2c lpss_i2c: bad counts. hcnt = -5 lcnt = 4 \_SB.PCI0.I2C5.H009: WCOM Digitizer at I2C: 05:09 ACPI: added table 2/32, length now 44 ACPI: * MCFG ACPI: added table 3/32, length now 48 ACPI: * TCPA TCPA log created at 7aa00000 ACPI: added table 4/32, length now 52 ACPI: * MADT SCI is IRQ9 ACPI: added table 5/32, length now 56 current = 7ab14920 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'dmic-4ch-48khz-16b.bin' CBFS: Found @ offset 2e1c0 size be8 Added 4CH DMIC array. FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 2ef00 size 64 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 2ef00 size 64 Added Dialog_7219 codec. FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'max98357-render-2ch-48khz-24b.bin' CBFS: Found @ offset 2ee00 size 74 Added Maxim_98357 codec. ACPI: * NHLT ACPI: added table 6/32, length now 60 ACPI: * IGD OpRegion ACPI: * HPET ACPI: added table 7/32, length now 64 ACPI: done. ACPI tables: 30656 bytes. smbios_write_tables: 7a9fd000 Create SMBIOS type 17 Root Device (Google Coral) CPU_CLUSTER: 0 (Intel Apollolake SOC) APIC: 00 (Intel Apollolake SOC) DOMAIN: 0000 (Intel Apollolake SOC) PCI: 00:00.0 (Intel Apollolake SOC) PCI: 00:00.1 (Intel Apollolake SOC) PCI: 00:00.2 (Intel Apollolake SOC) PCI: 00:02.0 (Intel Apollolake SOC) PCI: 00:03.0 (Intel Apollolake SOC) PCI: 00:0d.0 (Intel Apollolake SOC) PCI: 00:0d.1 (Intel Apollolake SOC) PCI: 00:0d.2 (Intel Apollolake SOC) PCI: 00:0d.3 (Intel Apollolake SOC) PCI: 00:0e.0 (Intel Apollolake SOC) GENERIC: 0.0 (Maxim Integrated 98357A Amplifier) PCI: 00:11.0 (Intel Apollolake SOC) PCI: 00:12.0 (Intel Apollolake SOC) PCI: 00:13.0 (Intel Apollolake SOC) PCI: 00:13.1 (Intel Apollolake SOC) PCI: 00:13.2 (Intel Apollolake SOC) PCI: 00:13.3 (Intel Apollolake SOC) PCI: 00:14.0 (Intel Apollolake SOC) PCI: 01:00.0 (Intel WiFi) PCI: 00:14.1 (Intel Apollolake SOC) PCI: 00:15.0 (Intel Apollolake SOC) PCI: 00:15.1 (Intel Apollolake SOC) PCI: 00:16.0 (Intel Apollolake SOC) I2C: 01:1a (Dialog Semiconductor DA7219 Audio Codec) PCI: 00:16.1 (Intel Apollolake SOC) PCI: 00:16.2 (Intel Apollolake SOC) I2C: 02:50 (I2C TPM) PCI: 00:16.3 (Intel Apollolake SOC) I2C: 03:10 (I2C Device) I2C: 03:39 (I2C Device) PCI: 00:17.0 (Intel Apollolake SOC) I2C: 04:15 (I2C Device) I2C: 04:2c (I2C HID Device) PCI: 00:17.1 (Intel Apollolake SOC) I2C: 05:09 (I2C HID Device) PCI: 00:17.2 (Intel Apollolake SOC) PCI: 00:17.3 (Intel Apollolake SOC) PCI: 00:18.0 (Intel Apollolake SOC) PCI: 00:18.1 (Intel Apollolake SOC) PCI: 00:18.2 (Intel Apollolake SOC) PCI: 00:18.3 (Intel Apollolake SOC) PCI: 00:19.0 (Intel Apollolake SOC) PCI: 00:19.1 (Intel Apollolake SOC) PCI: 00:19.2 (Intel Apollolake SOC) PCI: 00:1a.0 (Intel Apollolake SOC) PCI: 00:1b.0 (Intel Apollolake SOC) PCI: 00:1c.0 (Intel Apollolake SOC) PCI: 00:1e.0 (Intel Apollolake SOC) PCI: 00:1f.0 (Intel Apollolake SOC) PNP: 0c09.0 (Google Chrome EC) PCI: 00:1f.1 (Intel Apollolake SOC) PCI: 00:0f.0 (unknown) PCI: 00:0f.1 (unknown) PCI: 00:0f.2 (unknown) APIC: 06 (unknown) APIC: 04 (unknown) APIC: 02 (unknown) SMBIOS tables: 839 bytes. Writing table forward entry at 0x00000500 Wrote coreboot table at: 00000500, 0x10 bytes, checksum 452b Writing coreboot table at 0x7ab34000 0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES 1. 0000000000001000-000000000009ffff: RAM 2. 00000000000a0000-00000000000fffff: RESERVED 3. 0000000000100000-000000000fffffff: RAM 4. 0000000010000000-0000000012150fff: RESERVED 5. 0000000012151000-000000007a9fcfff: RAM 6. 000000007a9fd000-000000007affffff: CONFIGURATION TABLES 7. 000000007b000000-000000007fffffff: RESERVED 8. 00000000d0000000-00000000d0ffffff: RESERVED 9. 00000000e0000000-00000000efffffff: RESERVED 10. 00000000fed10000-00000000fed17fff: RESERVED 11. 0000000100000000-000000017fffffff: RAM Graphics framebuffer located at 0xb0000000 Passing 6 GPIOs to payload: NAME | PORT | POLARITY | VALUE write protect | undefined | high | high recovery | undefined | high | high lid | undefined | high | low power | undefined | high | high oprom | undefined | high | high EC in RW | 0x00000029 | high | high FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) Wrote coreboot table at: 7ab34000, 0x5f4 bytes, checksum 3376 coreboot table: 1548 bytes. IMD ROOT 0. 7afff000 00001000 IMD SMALL 1. 7affe000 00001000 FSP MEMORY 2. 7abfe000 00400000 CONSOLE 3. 7abde000 00020000 TIME STAMP 4. 7abdd000 00000400 VBOOT 5. 7abdc000 00000c0c MRC DATA 6. 7abd0000 0000b2d0 ROMSTG STCK 7. 7abcf000 00000400 AFTER CAR 8. 7abc5000 0000a000 RAMSTAGE 9. 7ab77000 0004e000 REFCODE 10. 7ab4d000 0002a000 ACPI GNVS 11. 7ab4c000 00001000 SMM BACKUP 12. 7ab3c000 00010000 COREBOOT 13. 7ab34000 00008000 ACPI 14. 7ab10000 00024000 RAMOOPS 15. 7aa10000 00100000 TCPA LOG 16. 7aa00000 00010000 EXT VBT17. 7a9fe000 0000180a SMBIOS 18. 7a9fd000 00000800 IMD small region: IMD ROOT 0. 7affec00 00000400 FSP RUNTIME 1. 7affebe0 00000004 VBOOT SEL 2. 7affebc0 00000008 EC HOSTEVENT 3. 7affeba0 00000004 POWER STATE 4. 7affeb60 00000040 ROMSTAGE 5. 7affeb40 00000004 VARMRC DATA 6. 7affeb00 00000028 MEM INFO 7. 7affe9a0 00000141 VPD 8. 7affe940 00000058 GNVS PTR 9. 7affe920 00000004 BS: BS_WRITE_TABLES times (us): entry 0 run 819101 exit 0 FMAP: area COREBOOT found @ 205000 (1552384 bytes) CBFS @ 205000 size 17b000 CBFS: 'IAFW Locator' located CBFS at [205000:380000) CBFS: Locating 'fallback/payload' CBFS: Found @ offset f6d00 size 36dd4 Loading segment from ROM address 0xff37cd38 code (compression=0) New segment dstaddr 0x30104040 memsize 0x251570 srcaddr 0xff37cd70 filesize 0x36d9c Loading segment from ROM address 0xff37cd54 Entry Point 0x30104040 Loading Segment: addr: 0x0000000030104040 memsz: 0x0000000000251570 filesz: 0x0000000000036d9c lb: [0x000000007ab78000, 0x000000007abc4bb0) Post relocation: addr: 0x0000000030104040 memsz: 0x0000000000251570 filesz: 0x0000000000036d9c it's not compressed! [ 0x30104040, 3013addc, 0x303555b0) <- ff37cd70 Clearing Segment: addr: 0x000000003013addc memsz: 0x000000000021a7d4 dest 30104040, end 303555b0, bouncebuffer ffffffff Loaded segments CSE FWSTS1: 0x80000245 CSE FWSTS2: 0x3b850000 CSE FWSTS3: 0x00000000 CSE FWSTS4: 0x00080000 CSE FWSTS5: 0x00000000 CSE FWSTS6: 0x40000000 ME: Manufacturing Mode : NO ME: FPF status : fused BS: BS_PAYLOAD_LOAD times (us): entry 178 run 108389 exit 32014 Jumping to boot code at 30104040(7ab34000) CPU0: stack: 7abb4000 - 7abb5000, lowest used address 7abb481c, stack used: 2020 bytes Starting depthcharge on coral... WARNING: can't convert coreboot GPIOs, 'lid' won't be resampled at runtime! WARNING: can't convert coreboot GPIOs, 'power' won't be resampled at runtime! BIOS MMAP details: IFD Base Offset : 0x1000 IFD End Offset : 0xf7f000 MMAP Size : 0xf7e000 MMAP Start : 0xff082000 The GBB signature is at 0x30004040 and is: 24 47 42 42 [firmware-coral-10068.B-rcn] Dec 21 2020 15:04:32 coral: enet dhcp enet dhcp Waiting for link R8152: Initializing Version 9 (ocp_data = 6010) R8152: Done initializing Adding net device done. MAC: 00:e0:4c:75:01:bd Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.15 The DHCP server ip is 192.168.201.1 coral: tftpboot 192.168.201.1 12264597/tftp-deploy-cmnec81u/kernel/bzImage 12264597/tftp-deploy-cmnec81u/kernel/cmdline 12264597/tftp-deploy-cmnec81u/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 12264597/tftp-deploy-cmnec81u/kernel/bzIploy-cmnec81u/kernel/cmdline 12264597/tftp-deploy-cmnec81u/ramdisk/ramdisk.cpio.gz Waiting for link done. MAC: 00:e0:4c:75:01:bd Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.15 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 12264597/tftp-deploy-cmnec81u/kernel/bzImage Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ################################################################ 00880000 ################################################################ 00900000 ################################################################ 00980000 ################################################################ 00a00000 ################################################################ 00a80000 ################################################################ 00b00000 ################################################################ 00b80000 ################################################################ 00c00000 ################################################################ 00c80000 ################################################################ 00d00000 ################################################################ 00d80000 ################################################################ 00e00000 ################################################################ 00e80000 ################################################################ 00f00000 ################################################################ 00f80000 ################################################################ 01000000 ############################################################## done. The bootfile was 17282976 bytes long. Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ################################################################ 00880000 ################################################################ 00900000 ################################################################ 00980000 ################################################################ 00a00000 # done. Sending tftp read request... done. Waiting for the transfer... 00000000 # done. Command line loaded dynamically from TFTP file: 12264597/tftp-deploy-cmnec81u/kernel/cmdline The command line is: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon deferred_probe_timeout=60 console=ttyS2,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/12264597/extract-nfsrootfs-e127lbts,tcp,hard ip=dhcp tftpserverip=192.168.201.1 Shutting down all USB controllers. Removing current net device Finalizing Coreboot Exiting depthcharge with code 4 at timestamp: 21340254 Starting kernel ... <5>[ 0.000000] Linux version 5.10.204-cip41 (KernelCI@build-j46889-x86-64-gcc-10-x86-64-defconfig-x86-board-ncr95) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Thu Dec 14 00:09:38 UTC 2023 <6>[ 0.000000] Command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon deferred_probe_timeout=60 console=ttyS2,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/12264597/extract-nfsrootfs-e127lbts,tcp,hard ip=dhcp tftpserverip=192.168.201.1 <6>[ 0.000000] BIOS-provided physical RAM map: <6>[ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x0000000000000fff] type 16 <6>[ 0.000000] BIOS-e820: [mem 0x0000000000001000-0x000000000009ffff] usable <6>[ 0.000000] BIOS-e820: [mem 0x00000000000a0000-0x00000000000fffff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000000fffffff] usable <6>[ 0.000000] BIOS-e820: [mem 0x0000000010000000-0x0000000012150fff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x0000000012151000-0x000000007a9fcfff] usable <6>[ 0.000000] BIOS-e820: [mem 0x000000007a9fd000-0x000000007affffff] type 16 <6>[ 0.000000] BIOS-e820: [mem 0x000000007b000000-0x000000007fffffff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000d0000000-0x00000000d0ffffff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000efffffff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000fed10000-0x00000000fed17fff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000017fffffff] usable <6>[ 0.000000] NX (Execute Disable) protection: active <6>[ 0.000000] SMBIOS 2.7 present. <6>[ 0.000000] DMI: Google Coral/Coral, BIOS 09/29/2020 <6>[ 0.000000] tsc: Detected 1094.400 MHz processor <6>[ 0.000058] last_pfn = 0x180000 max_arch_pfn = 0x400000000 <6>[ 0.000305] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT <6>[ 0.001155] last_pfn = 0x7a9fd max_arch_pfn = 0x400000000 <6>[ 0.005257] check: Scanning 1 areas for low memory corruption <6>[ 0.005271] Using GB pages for direct mapping <6>[ 0.005638] RAMDISK: [mem 0x375fe000-0x37ffffff] <6>[ 0.005645] ACPI: Early table checksum verification disabled <6>[ 0.005654] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) <6>[ 0.005665] ACPI: XSDT 0x000000007AB100E0 00005C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.005679] ACPI: FACP 0x000000007AB13130 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.005693] ACPI: DSDT 0x000000007AB10280 002EA8 (v05 COREv4 COREBOOT 20110725 INTL 20150717) <6>[ 0.005703] ACPI: FACS 0x000000007AB10240 000040 <6>[ 0.005712] ACPI: FACS 0x000000007AB10240 000040 <6>[ 0.005721] ACPI: SSDT 0x000000007AB13230 0015FA (v02 CORE COREBOOT 0000002A CORE 0000002A) <6>[ 0.005731] ACPI: MCFG 0x000000007AB14830 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.005741] ACPI: TCPA 0x000000007AB14870 000032 (v02 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.005750] ACPI: APIC 0x000000007AB148B0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.005760] ACPI: NHLT 0x000000007AB14920 000E60 (v05 coral coral 00000021 CORE 00000000) <6>[ 0.005770] ACPI: HPET 0x000000007AB17780 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.005780] ACPI: Reserving FACP table memory at [mem 0x7ab13130-0x7ab13223] <6>[ 0.005784] ACPI: Reserving DSDT table memory at [mem 0x7ab10280-0x7ab13127] <6>[ 0.005788] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f] <6>[ 0.005792] ACPI: Reserving FACS table memory at [mem 0x7ab10240-0x7ab1027f] <6>[ 0.005796] ACPI: Reserving SSDT table memory at [mem 0x7ab13230-0x7ab14829] <6>[ 0.005800] ACPI: Reserving MCFG table memory at [mem 0x7ab14830-0x7ab1486b] <6>[ 0.005804] ACPI: Reserving TCPA table memory at [mem 0x7ab14870-0x7ab148a1] <6>[ 0.005808] ACPI: Reserving APIC table memory at [mem 0x7ab148b0-0x7ab1491b] <6>[ 0.005812] ACPI: Reserving NHLT table memory at [mem 0x7ab14920-0x7ab1577f] <6>[ 0.005816] ACPI: Reserving HPET table memory at [mem 0x7ab17780-0x7ab177b7] <6>[ 0.005935] No NUMA configuration found <6>[ 0.005940] Faking a node at [mem 0x0000000000000000-0x000000017fffffff] <6>[ 0.005949] NODE_DATA(0) allocated [mem 0x17fffc000-0x17fffffff] <6>[ 0.005995] Zone ranges: <6>[ 0.006000] DMA [mem 0x0000000000001000-0x0000000000ffffff] <6>[ 0.006007] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] <6>[ 0.006013] Normal [mem 0x0000000100000000-0x000000017fffffff] <6>[ 0.006019] Movable zone start for each node <6>[ 0.006022] Early memory node ranges <6>[ 0.006026] node 0: [mem 0x0000000000001000-0x000000000009ffff] <6>[ 0.006030] node 0: [mem 0x0000000000100000-0x000000000fffffff] <6>[ 0.006034] node 0: [mem 0x0000000012151000-0x000000007a9fcfff] <6>[ 0.006038] node 0: [mem 0x0000000100000000-0x000000017fffffff] <6>[ 0.006044] Initmem setup node 0 [mem 0x0000000000001000-0x000000017fffffff] <6>[ 0.006075] On node 0, zone DMA: 1 pages in unavailable ranges <6>[ 0.006125] On node 0, zone DMA: 96 pages in unavailable ranges <6>[ 0.012670] On node 0, zone DMA32: 8529 pages in unavailable ranges <6>[ 0.019979] On node 0, zone Normal: 22019 pages in unavailable ranges <6>[ 0.020010] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] <6>[ 0.020308] ACPI: PM-Timer IO Port: 0x408 <6>[ 0.020382] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 <6>[ 0.020397] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) <6>[ 0.020403] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 low level) <6>[ 0.020416] Using ACPI (MADT) for SMP configuration information <6>[ 0.020421] ACPI: HPET id: 0x8086a701 base: 0xfed00000 <6>[ 0.020433] TSC deadline timer available <6>[ 0.020438] smpboot: Allowing 4 CPUs, 0 hotplug CPUs <6>[ 0.020471] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] <6>[ 0.020477] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] <6>[ 0.020482] PM: hibernation: Registered nosave memory: [mem 0x10000000-0x12150fff] <6>[ 0.020487] PM: hibernation: Registered nosave memory: [mem 0x7a9fd000-0x7affffff] <6>[ 0.020491] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] <6>[ 0.020494] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xcfffffff] <6>[ 0.020498] PM: hibernation: Registered nosave memory: [mem 0xd0000000-0xd0ffffff] <6>[ 0.020502] PM: hibernation: Registered nosave memory: [mem 0xd1000000-0xdfffffff] <6>[ 0.020505] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xefffffff] <6>[ 0.020509] PM: hibernation: Registered nosave memory: [mem 0xf0000000-0xfed0ffff] <6>[ 0.020512] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed17fff] <6>[ 0.020516] PM: hibernation: Registered nosave memory: [mem 0xfed18000-0xffffffff] <6>[ 0.020523] [mem 0x80000000-0xcfffffff] available for PCI devices <6>[ 0.020532] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns <6>[ 0.030819] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 <6>[ 0.031446] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 <6>[ 0.031549] Built 1 zonelists, mobility grouping on. Total pages: 1002002 <6>[ 0.031558] Policy zone: Normal <5>[ 0.031576] Kernel command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon deferred_probe_timeout=60 console=ttyS2,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/12264597/extract-nfsrootfs-e127lbts,tcp,hard ip=dhcp tftpserverip=192.168.201.1 <6>[ 0.032574] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) <6>[ 0.033018] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) <6>[ 0.033085] mem auto-init: stack:off, heap alloc:off, heap free:off <6>[ 0.066401] Memory: 3858976K/4071724K available (22546K kernel code, 3713K rwdata, 10976K rodata, 2172K init, 13948K bss, 212488K reserved, 0K cma-reserved) <6>[ 0.066552] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 <6>[ 0.066613] Kernel/User page tables isolation: enabled <6>[ 0.066730] ftrace: allocating 61881 entries in 242 pages <6>[ 0.102417] ftrace: allocated 242 pages with 5 groups <6>[ 0.102760] Running RCU self tests <6>[ 0.102778] rcu: Hierarchical RCU implementation. <6>[ 0.102782] rcu: RCU event tracing is enabled. <6>[ 0.102786] rcu: RCU lockdep checking is enabled. <6>[ 0.102790] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. <6>[ 0.102794] Rude variant of Tasks RCU enabled. <6>[ 0.102798] Tracing variant of Tasks RCU enabled. <6>[ 0.102803] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. <6>[ 0.102807] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 <6>[ 0.110923] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 <5>[ 0.111368] random: crng init done <6>[ 0.111483] Console: colour dummy device 80x25 <6>[ 0.179877] printk: console [ttyS2] enabled <4>[ 0.180264] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.180938] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.181319] ... MAX_LOCK_DEPTH: 48 <4>[ 0.181696] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.182093] ... CLASSHASH_SIZE: 4096 <4>[ 0.182483] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.182891] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.183296] ... CHAINHASH_SIZE: 32768 <4>[ 0.183694] memory used by lock dependency info: 6365 kB <4>[ 0.184179] memory used for stack traces: 4224 kB <4>[ 0.184613] per task-struct memory footprint: 1920 bytes <6>[ 0.185156] ACPI: Core revision 20200925 <6>[ 0.185781] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 99544814920 ns <6>[ 0.186654] APIC: Switch to symmetric I/O mode setup <6>[ 0.191638] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 <6>[ 0.196644] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns <6>[ 0.197569] Calibrating delay loop (skipped), value calculated using timer frequency.. 2188.80 BogoMIPS (lpj=1094400) <6>[ 0.198689] mce: CPU0: Thermal monitoring enabled (TM1) <6>[ 0.199644] Last level iTLB entries: 4KB 48, 2MB 0, 4MB 0 <6>[ 0.200555] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 <6>[ 0.201088] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization <6>[ 0.201559] Spectre V2 : Mitigation: Retpolines <6>[ 0.201973] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch <6>[ 0.202557] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT <6>[ 0.203558] Speculative Store Bypass: Vulnerable <6>[ 0.204000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' <6>[ 0.204556] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' <6>[ 0.205109] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers' <6>[ 0.205555] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR' <6>[ 0.206076] x86/fpu: xstate_offset[3]: 576, xstate_sizes[3]: 64 <6>[ 0.206556] x86/fpu: xstate_offset[4]: 640, xstate_sizes[4]: 64 <6>[ 0.207104] x86/fpu: Enabled xstate features 0x1b, context size is 704 bytes, using 'compacted' format. <4>[ 0.228955] ------------[ cut here ]------------ <4>[ 0.229389] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 <4>[ 0.229401] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:725 apply_returns+0x1f5/0x220 <4>[ 0.230556] Modules linked in: <4>[ 0.230848] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.204-cip41 #1 <4>[ 0.231557] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 0.232087] RIP: 0010:apply_returns+0x1f5/0x220 <4>[ 0.232558] Code: 67 02 00 0f 85 e1 fe ff ff 49 89 e8 b9 05 00 00 00 4c 89 f2 48 89 ee 48 c7 c7 10 f4 87 a1 c6 05 40 15 67 02 01 e8 25 0c 16 01 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc <4>[ 0.233556] RSP: 0000:ffffffffa1c03e28 EFLAGS: 00010282 <4>[ 0.234557] RAX: 0000000000000000 RBX: ffffffffa282e244 RCX: 0000000000000000 <4>[ 0.235557] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff9f977c31 <4>[ 0.236182] RBP: ffffffffa14f8940 R08: 0000000000000001 R09: 0000000000000001 <4>[ 0.236556] R10: ffffffffa1c8ff20 R11: 3fffffffffffffff R12: ffffffffa2847598 <4>[ 0.237182] R13: cccccccccccccccc R14: ffffffffa14f8945 R15: 0000000000000004 <4>[ 0.237558] FS: 0000000000000000(0000) GS:ffff8df53bc00000(0000) knlGS:0000000000000000 <4>[ 0.238556] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 0.239064] CR2: ffff8df4f5001000 CR3: 0000000133626000 CR4: 00000000003506f0 <4>[ 0.239555] Call Trace: <4>[ 0.239804] ? __warn+0x80/0x110 <4>[ 0.240107] ? apply_returns+0x1f5/0x220 <4>[ 0.240561] ? report_bug+0x9e/0xc0 <4>[ 0.240901] ? handle_bug+0x41/0x90 <4>[ 0.241223] ? exc_invalid_op+0x14/0x70 <4>[ 0.241558] ? asm_exc_invalid_op+0x12/0x20 <4>[ 0.241950] ? console_unlock+0x4d1/0x5f0 <4>[ 0.242557] ? apply_returns+0x1f5/0x220 <4>[ 0.242917] ? apply_returns+0x1f5/0x220 <4>[ 0.243281] ? lock_acquire+0xbf/0x280 <4>[ 0.243574] alternative_instructions+0x7d/0x143 <4>[ 0.243993] arch_cpu_finalize_init+0x28/0x47 <4>[ 0.244561] start_kernel+0x4a3/0x54d <4>[ 0.244905] secondary_startup_64_no_verify+0xc2/0xcb <4>[ 0.245375] irq event stamp: 108515 <4>[ 0.245557] hardirqs last enabled at (108527): [] console_unlock+0x4d1/0x5f0 <4>[ 0.246312] hardirqs last disabled at (108534): [] console_unlock+0x444/0x5f0 <4>[ 0.246557] softirqs last enabled at (108544): [] irq_enter_rcu+0x71/0x80 <4>[ 0.247557] softirqs last disabled at (108555): [] irq_enter_rcu+0x56/0x80 <4>[ 0.248561] ---[ end trace 68c4bcfb3b2027c0 ]--- <6>[ 0.258433] Freeing SMP alternatives memory: 48K <6>[ 0.258562] pid_max: default: 32768 minimum: 301 <6>[ 0.259085] LSM: Security Framework initializing <6>[ 0.259590] SELinux: Initializing. <6>[ 0.259967] LSM support for eBPF active <6>[ 0.260595] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.261252] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.264760] smpboot: CPU0: Intel(R) Pentium(R) CPU N4200 @ 1.10GHz (family: 0x6, model: 0x5c, stepping: 0x9) <6>[ 0.266155] Performance Events: PEBS fmt3+, Goldmont events, 32-deep LBR, full-width counters, Intel PMU driver. <6>[ 0.266566] ... version: 4 <6>[ 0.266937] ... bit width: 48 <6>[ 0.267308] ... generic registers: 4 <6>[ 0.267557] ... value mask: 0000ffffffffffff <6>[ 0.268032] ... max period: 00007fffffffffff <6>[ 0.268500] ... fixed-purpose events: 3 <6>[ 0.268556] ... event mask: 000000070000000f <6>[ 0.269454] rcu: Hierarchical SRCU implementation. <6>[ 0.271114] smp: Bringing up secondary CPUs ... <6>[ 0.272180] x86: Booting SMP configuration: <6>[ 0.272596] .... node #0, CPUs: #1 #2 #3 <6>[ 0.275353] smp: Brought up 1 node, 4 CPUs <6>[ 0.275963] smpboot: Max logical packages: 1 <6>[ 0.276359] smpboot: Total of 4 processors activated (8755.20 BogoMIPS) <6>[ 0.277936] devtmpfs: initialized <6>[ 0.278840] x86/mm: Memory block size: 128MB <6>[ 0.282612] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns <6>[ 0.283572] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) <6>[ 0.284649] pinctrl core: initialized pinctrl subsystem <6>[ 0.286042] PM: RTC time: 00:33:18, date: 2023-12-14 <6>[ 0.287038] NET: Registered protocol family 16 <6>[ 0.288078] audit: initializing netlink subsys (disabled) <5>[ 0.288631] audit: type=2000 audit(1702513998.096:1): state=initialized audit_enabled=0 res=1 <6>[ 0.289228] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.289375] thermal_sys: Registered thermal governor 'user_space' <6>[ 0.289655] cpuidle: using governor menu <6>[ 0.290718] ACPI: bus type PCI registered <6>[ 0.291417] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xe0000000-0xefffffff] (base 0xe0000000) <6>[ 0.291564] PCI: MMCONFIG at [mem 0xe0000000-0xefffffff] reserved in E820 <6>[ 0.292215] PCI: Using configuration type 1 for base access <6>[ 0.321594] Kprobes globally optimized <6>[ 0.322696] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages <6>[ 0.323572] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages <6>[ 0.324597] cryptomgr_test (38) used greatest stack depth: 14880 bytes left <6>[ 0.327933] ACPI: Added _OSI(Module Device) <6>[ 0.328564] ACPI: Added _OSI(Processor Device) <6>[ 0.328974] ACPI: Added _OSI(3.0 _SCP Extensions) <6>[ 0.329396] ACPI: Added _OSI(Processor Aggregator Device) <6>[ 0.329559] ACPI: Added _OSI(Linux-Dell-Video) <6>[ 0.329968] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) <6>[ 0.330439] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) <6>[ 0.337412] ACPI: 2 ACPI AML tables successfully acquired and loaded <6>[ 0.342588] ACPI: EC: EC started <6>[ 0.342909] ACPI: EC: interrupt blocked <6>[ 0.343764] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 0.344218] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions <6>[ 0.344557] ACPI: Interpreter enabled <6>[ 0.344955] ACPI: (supports S0 S3 S5) <6>[ 0.345300] ACPI: Using IOAPIC for interrupt routing <6>[ 0.345600] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug <6>[ 0.347078] ACPI: Enabled 1 GPEs in block 00 to 7F <6>[ 0.350660] ACPI: Power Resource [PXP] (on) <6>[ 0.372617] ACPI: Power Resource [PRIC] (on) <6>[ 0.398957] ACPI: Power Resource [PRIC] (on) <6>[ 0.466767] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) <6>[ 0.467331] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] <6>[ 0.467794] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] <6>[ 0.469022] PCI host bridge to bus 0000:00 <6>[ 0.469410] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] <6>[ 0.469559] pci_bus 0000:00: root bus resource [io 0x1000-0xffff window] <6>[ 0.470159] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] <6>[ 0.470558] pci_bus 0000:00: root bus resource [mem 0x7b800000-0x7fffffff window] <6>[ 0.471204] pci_bus 0000:00: root bus resource [mem 0x80000000-0xe0000000 window] <6>[ 0.471558] pci_bus 0000:00: root bus resource [bus 00-ff] <6>[ 0.472131] pci 0000:00:00.0: [8086:5af0] type 00 class 0x060000 <6>[ 0.473338] pci 0000:00:00.1: [8086:5a8c] type 00 class 0x118000 <6>[ 0.473596] pci 0000:00:00.1: reg 0x10: [mem 0xc2b10000-0xc2b17fff 64bit] <6>[ 0.474759] pci 0000:00:00.2: [8086:5a8e] type 00 class 0x130000 <6>[ 0.475317] pci 0000:00:00.2: reg 0x10: [mem 0xc2800000-0xc28fffff 64bit] <6>[ 0.475570] pci 0000:00:00.2: reg 0x18: [mem 0xc2000000-0xc27fffff 64bit] <6>[ 0.476180] pci 0000:00:00.2: reg 0x20: [mem 0xc2b38000-0xc2b381ff 64bit] <6>[ 0.476933] pci 0000:00:02.0: [8086:5a84] type 00 class 0x030000 <6>[ 0.477483] pci 0000:00:02.0: reg 0x10: [mem 0xc0000000-0xc0ffffff 64bit] <6>[ 0.477569] pci 0000:00:02.0: reg 0x18: [mem 0xb0000000-0xbfffffff 64bit pref] <6>[ 0.478210] pci 0000:00:02.0: reg 0x20: [io 0x1000-0x103f] <6>[ 0.478975] pci 0000:00:03.0: [8086:5a88] type 00 class 0x048000 <6>[ 0.479523] pci 0000:00:03.0: reg 0x10: [mem 0xc1000000-0xc1ffffff 64bit] <6>[ 0.480031] pci 0000:00:0e.0: [8086:5a98] type 00 class 0x040100 <6>[ 0.480589] pci 0000:00:0e.0: reg 0x10: [mem 0xc2b18000-0xc2b1bfff 64bit] <6>[ 0.481231] pci 0000:00:0e.0: reg 0x20: [mem 0xc2900000-0xc29fffff 64bit] <6>[ 0.481678] pci 0000:00:0e.0: PME# supported from D0 D3hot D3cold <6>[ 0.482778] pci 0000:00:0f.0: [8086:5a9a] type 00 class 0x078000 <6>[ 0.483351] pci 0000:00:0f.0: reg 0x10: [mem 0xc2b1e000-0xc2b1efff 64bit] <6>[ 0.483710] pci 0000:00:0f.0: PME# supported from D3hot <6>[ 0.484592] pci 0000:00:14.0: [8086:5ad6] type 01 class 0x060400 <6>[ 0.485295] pci 0000:00:14.0: PME# supported from D0 D3hot D3cold <6>[ 0.486088] pci 0000:00:15.0: [8086:5aa8] type 00 class 0x0c0330 <6>[ 0.486581] pci 0000:00:15.0: reg 0x10: [mem 0xc2b00000-0xc2b0ffff 64bit] <6>[ 0.487294] pci 0000:00:15.0: PME# supported from D3hot D3cold <6>[ 0.488084] pci 0000:00:16.0: [8086:5aac] type 00 class 0x118000 <6>[ 0.488595] pci 0000:00:16.0: reg 0x10: [mem 0xc2b21000-0xc2b21fff 64bit] <6>[ 0.489217] pci 0000:00:16.0: reg 0x18: [mem 0xc2b22000-0xc2b22fff 64bit] <6>[ 0.490103] pci 0000:00:16.1: [8086:5aae] type 00 class 0x118000 <6>[ 0.490593] pci 0000:00:16.1: reg 0x10: [mem 0xc2b23000-0xc2b23fff 64bit] <6>[ 0.491212] pci 0000:00:16.1: reg 0x18: [mem 0xc2b24000-0xc2b24fff 64bit] <6>[ 0.492116] pci 0000:00:16.2: [8086:5ab0] type 00 class 0x118000 <6>[ 0.492603] pci 0000:00:16.2: reg 0x10: [mem 0xc2b25000-0xc2b25fff 64bit] <6>[ 0.493217] pci 0000:00:16.2: reg 0x18: [mem 0xc2b26000-0xc2b26fff 64bit] <6>[ 0.494114] pci 0000:00:16.3: [8086:5ab2] type 00 class 0x118000 <6>[ 0.494594] pci 0000:00:16.3: reg 0x10: [mem 0xc2b27000-0xc2b27fff 64bit] <6>[ 0.495218] pci 0000:00:16.3: reg 0x18: [mem 0xc2b28000-0xc2b28fff 64bit] <6>[ 0.496123] pci 0000:00:17.0: [8086:5ab4] type 00 class 0x118000 <6>[ 0.496594] pci 0000:00:17.0: reg 0x10: [mem 0xc2b29000-0xc2b29fff 64bit] <6>[ 0.497218] pci 0000:00:17.0: reg 0x18: [mem 0xc2b2a000-0xc2b2afff 64bit] <6>[ 0.498099] pci 0000:00:17.1: [8086:5ab6] type 00 class 0x118000 <6>[ 0.498594] pci 0000:00:17.1: reg 0x10: [mem 0xc2b2b000-0xc2b2bfff 64bit] <6>[ 0.499217] pci 0000:00:17.1: reg 0x18: [mem 0xc2b2c000-0xc2b2cfff 64bit] <6>[ 0.500138] pci 0000:00:18.0: [8086:5abc] type 00 class 0x118000 <6>[ 0.500594] pci 0000:00:18.0: reg 0x10: [mem 0xc2b2d000-0xc2b2dfff 64bit] <6>[ 0.501217] pci 0000:00:18.0: reg 0x18: [mem 0xc2b2e000-0xc2b2efff 64bit] <6>[ 0.502102] pci 0000:00:18.1: [8086:5abe] type 00 class 0x118000 <6>[ 0.502594] pci 0000:00:18.1: reg 0x10: [mem 0xc2b2f000-0xc2b2ffff 64bit] <6>[ 0.503217] pci 0000:00:18.1: reg 0x18: [mem 0xc2b30000-0xc2b30fff 64bit] <6>[ 0.504104] pci 0000:00:18.2: [8086:5ac0] type 00 class 0x118000 <6>[ 0.504593] pci 0000:00:18.2: reg 0x10: [mem 0xde000000-0xde000fff 64bit] <6>[ 0.505217] pci 0000:00:18.2: reg 0x18: [mem 0xc2b31000-0xc2b31fff 64bit] <6>[ 0.506128] pci 0000:00:19.0: [8086:5ac2] type 00 class 0x118000 <6>[ 0.506594] pci 0000:00:19.0: reg 0x10: [mem 0xc2b32000-0xc2b32fff 64bit] <6>[ 0.507215] pci 0000:00:19.0: reg 0x18: [mem 0xc2b33000-0xc2b33fff 64bit] <6>[ 0.508141] pci 0000:00:1b.0: [8086:5aca] type 00 class 0x080501 <6>[ 0.508584] pci 0000:00:1b.0: reg 0x10: [mem 0xc2b34000-0xc2b34fff 64bit] <6>[ 0.509203] pci 0000:00:1b.0: reg 0x18: [mem 0xc2b35000-0xc2b35fff 64bit] <6>[ 0.510068] pci 0000:00:1c.0: [8086:5acc] type 00 class 0x080501 <6>[ 0.510585] pci 0000:00:1c.0: reg 0x10: [mem 0xc2b36000-0xc2b36fff 64bit] <6>[ 0.511201] pci 0000:00:1c.0: reg 0x18: [mem 0xc2b37000-0xc2b37fff 64bit] <6>[ 0.512180] pci 0000:00:1f.0: [8086:5ae8] type 00 class 0x060100 <6>[ 0.513141] pci 0000:00:1f.1: [8086:5ad4] type 00 class 0x0c0500 <6>[ 0.513625] pci 0000:00:1f.1: reg 0x10: [mem 0xc2b39000-0xc2b390ff 64bit] <6>[ 0.514308] pci 0000:00:1f.1: reg 0x20: [io 0x1040-0x105f] <6>[ 0.515493] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 <6>[ 0.515799] pci 0000:01:00.0: reg 0x10: [mem 0xc2a00000-0xc2a01fff 64bit] <6>[ 0.517084] pci 0000:01:00.0: Upstream bridge's Max Payload Size set to 128 (was 256, max 256) <6>[ 0.517717] pci 0000:01:00.0: Max Payload Size set to 128 (was 128, max 128) <6>[ 0.519433] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold <6>[ 0.521330] pci 0000:00:14.0: PCI bridge to [bus 01] <6>[ 0.521569] pci 0000:00:14.0: bridge window [mem 0xc2a00000-0xc2afffff] <6>[ 0.528392] ACPI: EC: interrupt unblocked <6>[ 0.528558] ACPI: EC: event unblocked <6>[ 0.528921] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 0.529383] ACPI: EC: GPE=0x2b <6>[ 0.529561] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete <6>[ 0.530185] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events <6>[ 0.531016] iommu: Default domain type: Translated <6>[ 0.531763] pci 0000:00:02.0: vgaarb: setting as boot VGA device <6>[ 0.532171] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none <6>[ 0.532576] pci 0000:00:02.0: vgaarb: bridge control possible <6>[ 0.533095] vgaarb: loaded <5>[ 0.533870] SCSI subsystem initialized <6>[ 0.534792] ACPI: bus type USB registered <6>[ 0.535675] usbcore: registered new interface driver usbfs <6>[ 0.536223] usbcore: registered new interface driver hub <6>[ 0.536591] usbcore: registered new device driver usb <6>[ 0.537146] mc: Linux media interface: v0.10 <6>[ 0.537570] videodev: Linux video capture interface: v2.00 <6>[ 0.538093] pps_core: LinuxPPS API ver. 1 registered <6>[ 0.538543] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 0.538567] PTP clock support registered <6>[ 0.538985] Advanced Linux Sound Architecture Driver Initialized. <6>[ 0.540139] NetLabel: Initializing <6>[ 0.540466] NetLabel: domain hash size = 128 <6>[ 0.541559] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO <6>[ 0.542119] NetLabel: unlabeled traffic allowed by default <6>[ 0.542675] PCI: Using ACPI for IRQ routing <4>[ 0.572414] Expanded resource Reserved due to conflict with PCI Bus 0000:00 <6>[ 0.573662] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0, 0, 0, 0, 0, 0 <6>[ 0.574235] hpet0: 8 comparators, 64-bit 19.200000 MHz counter <6>[ 0.576659] clocksource: Switched to clocksource tsc-early <5>[ 0.962552] VFS: Disk quotas dquot_6.6.0 <6>[ 0.962962] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) <6>[ 0.963941] pnp: PnP ACPI init <6>[ 0.964912] system 00:00: [io 0x0900-0x09fe] has been reserved <6>[ 0.965683] system 00:01: [io 0x0200] has been reserved <6>[ 0.966163] system 00:01: [io 0x0204] has been reserved <6>[ 0.966646] system 00:01: [io 0x0800-0x087f] has been reserved <6>[ 0.967174] system 00:01: [io 0x0880-0x08ff] has been reserved <6>[ 0.969701] pnp: PnP ACPI: found 3 devices <6>[ 0.983675] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns <6>[ 0.984562] NET: Registered protocol family 2 <6>[ 0.985149] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) <6>[ 0.987187] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) <6>[ 0.988195] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) <6>[ 0.989104] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) <6>[ 0.991717] TCP: Hash tables configured (established 32768 bind 32768) <6>[ 0.992773] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) <6>[ 0.993762] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 0.994644] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 0.995755] NET: Registered protocol family 1 <6>[ 0.996837] RPC: Registered named UNIX socket transport module. <6>[ 0.997411] RPC: Registered udp transport module. <6>[ 0.997839] RPC: Registered tcp transport module. <6>[ 0.998278] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 0.999361] NET: Registered protocol family 44 <6>[ 0.999798] pci 0000:00:14.0: PCI bridge to [bus 01] <6>[ 1.000278] pci 0000:00:14.0: bridge window [mem 0xc2a00000-0xc2afffff] <6>[ 1.000890] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] <6>[ 1.001446] pci_bus 0000:00: resource 5 [io 0x1000-0xffff window] <6>[ 1.001996] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] <6>[ 1.002606] pci_bus 0000:00: resource 7 [mem 0x7b800000-0x7fffffff window] <6>[ 1.003202] pci_bus 0000:00: resource 8 [mem 0x80000000-0xe0000000 window] <6>[ 1.003816] pci_bus 0000:01: resource 1 [mem 0xc2a00000-0xc2afffff] <6>[ 1.004566] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] <6>[ 1.007453] PCI: CLS 64 bytes, default 64 <6>[ 1.008160] Unpacking initramfs... <6>[ 1.279522] Freeing initrd memory: 10248K <6>[ 1.279902] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) <6>[ 1.280549] software IO TLB: mapped [mem 0x00000000769fd000-0x000000007a9fd000] (64MB) <6>[ 1.281548] RAPL PMU: API unit is 2^-32 Joules, 4 fixed counters, 655360 ms ovfl timer <6>[ 1.282236] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules <6>[ 1.282767] RAPL PMU: hw unit of domain package 2^-14 Joules <6>[ 1.283272] RAPL PMU: hw unit of domain dram 2^-14 Joules <6>[ 1.283753] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules <3>[ 1.285406] kvm: already loaded the other module <6>[ 1.285829] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0xfc66f4fc7c, max_idle_ns: 440795224246 ns <6>[ 1.286748] clocksource: Switched to clocksource tsc <6>[ 1.287290] platform rtc_cmos: registered platform RTC device (no PNP device found) <6>[ 1.289955] check: Scanning for low memory corruption every 60 seconds <5>[ 1.292717] Initialise system trusted keyrings <6>[ 1.293428] workingset: timestamp_bits=56 max_order=20 bucket_order=0 <5>[ 1.308390] NFS: Registering the id_resolver key type <5>[ 1.308885] Key type id_resolver registered <5>[ 1.309311] Key type id_legacy registered <5>[ 1.320896] Key type asymmetric registered <5>[ 1.321325] Asymmetric key parser 'x509' registered <6>[ 1.321815] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 248) <6>[ 1.322491] io scheduler mq-deadline registered <6>[ 1.322899] io scheduler kyber registered <4>[ 1.323509] test_firmware: interface ready <6>[ 1.324689] pcieport 0000:00:14.0: PME: Signaling with IRQ 120 <6>[ 1.326317] ACPI: AC Adapter [AC] (on-line) <6>[ 1.326979] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/PNP0C0D:00/input/input0 <6>[ 1.328513] ACPI: Lid Switch [LID0] <6>[ 1.329005] input: Power Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input1 <6>[ 1.329874] ACPI: Power Button [PWRB] <6>[ 1.330385] input: Sleep Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0E:00/input/input2 <6>[ 1.331268] ACPI: Sleep Button [SLP] <6>[ 1.331762] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input3 <6>[ 1.332563] ACPI: Power Button [PWRF] <6>[ 1.333116] ACPI: \_PR_.CP00: Found 3 idle states <6>[ 1.334186] ACPI: \_PR_.CP01: Found 3 idle states <6>[ 1.334992] ACPI: \_PR_.CP02: Found 3 idle states <6>[ 1.335809] ACPI: \_PR_.CP03: Found 3 idle states <6>[ 1.337324] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled <6>[ 1.340287] Non-volatile memory driver v1.3 <6>[ 1.340292] battery: ACPI: Battery Slot [BAT0] (battery present) <6>[ 1.340788] Linux agpgart interface v0.103 <6>[ 1.341920] ACPI: bus type drm_connector registered <6>[ 1.342516] [drm] amdgpu kernel modesetting enabled. <6>[ 1.345571] i915 0000:00:02.0: vgaarb: deactivate vga console <6>[ 1.399906] i915 0000:00:02.0: Invalid PCI ROM header signature: expecting 0xaa55, got 0xea8c <6>[ 1.400719] i915 0000:00:02.0: [drm] Failed to find VBIOS tables (VBT) <6>[ 1.401537] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem <4>[ 1.402853] i915 0000:00:02.0: Direct firmware load for i915/bxt_dmc_ver1_07.bin failed with error -2 <5>[ 1.403753] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/bxt_dmc_ver1_07.bin. Disabling runtime power management. <5>[ 1.404759] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915 <6>[ 1.445089] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 <6>[ 1.448017] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 <6>[ 1.458979] loop: module loaded <6>[ 1.459849] lkdtm: No crash points registered, enable through debugfs <6>[ 1.503362] dw-apb-uart.6: ttyS0 at MMIO 0xc2b2d000 (irq = 4, base_baud = 115200) is a 16550A <6>[ 1.506559] dw-apb-uart.7: ttyS1 at MMIO 0xc2b2f000 (irq = 5, base_baud = 115200) is a 16550A <6>[ 1.509253] printk: console [ttyS2] disabled <6>[ 1.509975] dw-apb-uart.8: ttyS2 at MMIO 0xde000000 (irq = 6, base_baud = 114825) is a 16550A <6>[ 4.808847] printk: console [ttyS2] enabled <6>[ 4.808969] fbcon: i915drmfb (fb0) is primary device <4>[ 4.810787] pxa2xx-spi pxa2xx-spi.9: no DMA channels available, using PIO <6>[ 4.818064] e100: Intel(R) PRO/100 Network Driver <6>[ 4.818068] e100: Copyright(c) 1999-2006 Intel Corporation <6>[ 4.818110] e1000: Intel(R) PRO/1000 Network Driver <6>[ 4.818112] e1000: Copyright (c) 1999-2006 Intel Corporation. <6>[ 4.818166] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 4.818167] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 4.818228] igb: Intel(R) Gigabit Ethernet Network Driver <6>[ 4.818230] igb: Copyright (c) 2007-2014 Intel Corporation. <6>[ 4.818287] sky2: driver version 1.30 <6>[ 4.818505] usbcore: registered new interface driver r8152 <6>[ 4.818951] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 4.818969] ehci-pci: EHCI PCI platform driver <6>[ 4.819023] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 4.819035] ohci-pci: OHCI PCI platform driver <6>[ 4.819076] uhci_hcd: USB Universal Host Controller Interface driver <6>[ 4.820219] xhci_hcd 0000:00:15.0: xHCI Host Controller <6>[ 4.821001] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 1 <6>[ 4.822213] xhci_hcd 0000:00:15.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 <6>[ 4.822268] xhci_hcd 0000:00:15.0: cache line size of 64 is not supported <6>[ 4.823504] xhci_hcd 0000:00:15.0: xHCI Host Controller <6>[ 4.824085] xhci_hcd 0000:00:15.0: new USB bus registered, assigned bus number 2 <6>[ 4.824098] xhci_hcd 0000:00:15.0: Host supports USB 3.0 SuperSpeed <6>[ 4.824789] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 <6>[ 4.824805] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 4.824808] usb usb1: Product: xHCI Host Controller <6>[ 4.824810] usb usb1: Manufacturer: Linux 5.10.204-cip41 xhci-hcd <6>[ 4.824812] usb usb1: SerialNumber: 0000:00:15.0 <6>[ 4.826021] hub 1-0:1.0: USB hub found <6>[ 4.826118] hub 1-0:1.0: 8 ports detected <6>[ 4.827738] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 <6>[ 4.827742] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 4.827744] usb usb2: Product: xHCI Host Controller <6>[ 4.827747] usb usb2: Manufacturer: Linux 5.10.204-cip41 xhci-hcd <6>[ 4.827749] usb usb2: SerialNumber: 0000:00:15.0 <6>[ 4.828415] hub 2-0:1.0: USB hub found <6>[ 4.828448] hub 2-0:1.0: 7 ports detected <6>[ 4.829624] usbcore: registered new interface driver usblp <6>[ 4.829670] usbcore: registered new interface driver usb-storage <6>[ 4.830046] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers <6>[ 4.830151] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 <4>[ 4.830153] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp <4>[ 4.830713] i8042: Warning: Keylock active <6>[ 4.830956] serio: i8042 KBD port at 0x60,0x64 irq 1 <6>[ 4.832750] rtc_cmos rtc_cmos: RTC can wake from S4 <6>[ 4.834495] rtc_cmos rtc_cmos: registered as rtc0 <6>[ 4.834650] rtc_cmos rtc_cmos: alarms up to one month, 114 bytes nvram <6>[ 4.835532] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input4 <4>[ 4.836852] i801_smbus 0000:00:1f.1: can't derive routing for PCI INT A <4>[ 4.836856] i801_smbus 0000:00:1f.1: PCI INT A: no GSI <6>[ 4.836890] i801_smbus 0000:00:1f.1: SPD Write Disable is set <3>[ 4.836943] genirq: Flags mismatch irq 0. 00000080 (i801_smbus) vs. 00015a00 (timer) <3>[ 4.836961] i801_smbus 0000:00:1f.1: Failed to allocate irq 0: -16 <6>[ 4.836963] i801_smbus 0000:00:1f.1: SMBus using polling <6>[ 4.837815] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com <6>[ 4.837858] intel_pstate: Intel P-state driver initializing <6>[ 4.840248] sdhci: Secure Digital Host Controller Interface driver <6>[ 4.840285] sdhci: Copyright(c) Pierre Ossman <6>[ 4.840466] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 4.846828] sdhci-pci 0000:00:1c.0: SDHCI controller found [8086:5acc] (rev b) <6>[ 4.853391] mmc0: SDHCI controller on PCI [0000:00:1c.0] using ADMA 64-bit <6>[ 4.854305] hid: raw HID events driver (C) Jiri Kosina <6>[ 4.856424] usbcore: registered new interface driver usbhid <6>[ 4.856429] usbhid: USB HID core driver <6>[ 4.858169] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:14/PNP0C09:00/GOOG0006:00/input/input5 <6>[ 4.863012] Console: switching to colour frame buffer device 240x67 <6>[ 4.864717] cros_ec_lpcs GOOG0004:00: Chrome EC device registered <6>[ 4.867822] snd_hda_intel 0000:00:0e.0: DSP detected with PCI class/subclass/prog-if info 0x040100 <6>[ 4.872759] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 4.874100] snd_hda_intel 0000:00:0e.0: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) <6>[ 4.874360] IPv4 over IPsec tunneling driver <6>[ 4.875531] Initializing XFRM netlink socket <6>[ 4.877138] NET: Registered protocol family 10 <6>[ 4.880691] Segment Routing with IPv6 <6>[ 4.883531] NET: Registered protocol family 17 <6>[ 4.884348] 8021q: 802.1Q VLAN Support v1.8 <5>[ 4.884912] Key type dns_resolver registered <3>[ 4.893755] snd_hda_intel 0000:00:0e.0: Cannot probe codecs, giving up <6>[ 4.901983] microcode: sig=0x506c9, pf=0x1, revision=0x2c <6>[ 4.907168] microcode: Microcode Update Driver: v2.2. <6>[ 4.914978] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device <6>[ 4.920600] IPI shorthand broadcast: enabled <6>[ 5.069500] usb 1-5: new high-speed USB device number 2 using xhci_hcd <6>[ 5.075027] sched_clock: Marking stable (4993283954, 81247482)->(5094803379, -20271943) <6>[ 5.235700] usb 1-5: New USB device found, idVendor=0408, idProduct=3090, bcdDevice= 0.04 <6>[ 5.254712] registered taskstats version 1 <6>[ 5.260695] usb 1-5: New USB device strings: Mfr=3, Product=1, SerialNumber=2 <6>[ 5.260705] usb 1-5: Product: USB2.0 HD UVC WebCam <5>[ 5.269859] Loading compiled-in X.509 certificates <6>[ 5.276983] usb 1-5: Manufacturer: Quanta <6>[ 5.295258] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 5.299614] usb 1-5: SerialNumber: 0x0001 <6>[ 5.316072] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 5.373451] usb 2-5: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 5.382481] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 5.406947] usb 2-5: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 <6>[ 5.415855] PM: Magic number: 3:116:557 <6>[ 5.419478] usb 2-5: New USB device strings: Mfr=1, Product=2, SerialNumber=6 <6>[ 5.419488] usb 2-5: Product: USB 10/100/1000 LAN <6>[ 5.600127] usb 2-5: Manufacturer: Realtek <6>[ 5.600135] usb 2-5: SerialNumber: 001000001 <6>[ 5.608965] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 5.610871] printk: console [netcon0] enabled <6>[ 5.624133] netconsole: network logging started <6>[ 5.652602] usb 1-6: new full-speed USB device number 3 using xhci_hcd <6>[ 5.689977] mmc0: new HS400 MMC card at address 0001 <6>[ 5.698886] mmcblk0: mmc0:0001 TA2964 58.3 GiB <6>[ 5.704890] mmcblk0boot0: mmc0:0001 TA2964 partition 1 4.00 MiB <6>[ 5.712336] mmcblk0boot1: mmc0:0001 TA2964 partition 2 4.00 MiB <6>[ 5.720115] mmcblk0rpmb: mmc0:0001 TA2964 partition 3 4.00 MiB, chardev (245:0) <6>[ 5.737758] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 <6>[ 5.764492] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 5.794252] usb 1-6: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 <6>[ 5.803806] usb 1-6: New USB device strings: Mfr=0, Product=0, SerialNumber=0 <6>[ 5.817161] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 5.911242] usb 2-5: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 5.959024] r8152 2-5:1.0: load rtl8153b-2 v2 04/27/23 successfully <6>[ 5.999360] r8152 2-5:1.0 eth0: v1.11.11 <6>[ 6.005179] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 7.612653] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <6>[ 7.612839] r8152 2-5:1.0 eth0: carrier on <5>[ 7.624400] Sending DHCP requests .., OK <6>[ 9.904338] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.15 <6>[ 9.913666] IP-Config: Complete: <6>[ 9.917614] device=eth0, hwaddr=00:e0:4c:75:01:bd, ipaddr=192.168.201.15, mask=255.255.255.0, gw=192.168.201.1 <6>[ 9.929649] host=asus-c523na-a20057-coral-cbg-3, domain=lava-rack, nis-domain=(none) <6>[ 9.939150] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= <6>[ 9.939158] nameserver0=192.168.201.1 <5>[ 9.953165] cfg80211: Loading compiled-in X.509 certificates for regulatory database <6>[ 9.976819] modprobe (101) used greatest stack depth: 14208 bytes left <6>[ 9.989259] modprobe (102) used greatest stack depth: 14120 bytes left <5>[ 9.992313] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' <4>[ 10.005835] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 <6>[ 10.005885] ALSA device list: <6>[ 10.015993] cfg80211: failed to load regulatory.db <6>[ 10.025516] No soundcards found. <4>[ 10.031313] dw-apb-uart dw-apb-uart.8: forbid DMA for kernel console <6>[ 10.053031] Freeing unused kernel image (initmem) memory: 2172K <6>[ 10.070745] Write protecting the kernel read-only data: 36864k <6>[ 10.082021] Freeing unused kernel image (text/rodata gap) memory: 2028K <6>[ 10.091835] Freeing unused kernel image (rodata/data gap) memory: 1312K <6>[ 10.100086] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u2 <6>[ 10.193000] systemd-udevd (123) used greatest stack depth: 13624 bytes left <6>[ 10.453524] udevadm (125) used greatest stack depth: 13592 bytes left <6>[ 11.171493] chromeos ramoops using acpi device. <6>[ 11.175648] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 11.212259] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <4>[ 11.246758] i2c_hid i2c-PNP0C50:00: supply vdd not found, using dummy regulator <4>[ 11.259564] i2c_hid i2c-WCOM50C1:00: supply vdd not found, using dummy regulator <4>[ 11.277727] i2c_hid i2c-WCOM50C1:00: supply vddl not found, using dummy regulator <4>[ 11.282060] i2c_hid i2c-PNP0C50:00: supply vddl not found, using dummy regulator <6>[ 11.299112] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <4>[ 11.299614] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. <6>[ 11.328508] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <4>[ 11.370771] da7219 i2c-DLGS7219:00: Using default DAI clk names: da7219-dai-wclk, da7219-dai-bclk <4>[ 11.383287] da7219 i2c-DLGS7219:00: Invalid micbias pulse level <6>[ 11.392548] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 11.419326] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 11.561484] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 11.565834] Registered efivars operations <6>[ 11.578371] gsmi version 1.0 loaded <3>[ 12.321557] i2c_designware i2c_designware.5: controller timed out <6>[ 12.339623] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 12.355646] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 12.362750] cros-usbpd-charger cros-usbpd-charger.2.auto: Could not get charger port count <6>[ 12.376707] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 12.388014] uvcvideo: Found UVC 1.00 device USB2.0 HD UVC WebCam (0408:3090) <6>[ 12.394203] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 12.418176] input: USB2.0 HD UVC WebCam: USB2.0 HD as /devices/pci0000:00/0000:00:15.0/usb1/1-5/1-5:1.0/input/input6 <6>[ 12.433931] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) <6>[ 12.434181] usbcore: registered new interface driver uvcvideo <6>[ 12.449176] USB Video Class driver (1.1.1) <6>[ 12.471041] udevadm (143) used greatest stack depth: 13400 bytes left Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available Device /sys/class/net/eth0 found done. IP-Config: eth0 hardware address 00:e0:4c:75:01:bd mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.15 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : asus-c523na-a20057-coral-cbg-3 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : <6>[ 12.741068] nfsmount (170) used greatest stack depth: 12536 bytes left done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. SELinux: Could not open policy file <= /etc/selinux/targeted/policy/policy.33: No such file or directory <30>[ 14.431931] systemd[1]: systemd 247.3-7+deb11u2 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) <30>[ 14.473122] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 11 (bullseye)! <30>[ 14.513148] systemd[1]: Set hostname to . <30>[ 15.928030] systemd[1]: Queued start job for default target Graphical Interface. <30>[ 15.946320] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. <30>[ 15.965598] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. <30>[ 15.984713] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. <30>[ 16.003662] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. <30>[ 16.022149] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. <30>[ 16.042757] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. <30>[ 16.065100] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [ OK ] Set up automount Arbitrary…s File System Automount Point. <30>[ 16.088897] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. <30>[ 16.106039] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. <30>[ 16.117932] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. <30>[ 16.134941] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. <30>[ 16.146928] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. <30>[ 16.160164] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. <30>[ 16.181374] systemd[1]: Listening on Journal Audit Socket. [ OK ] Listening on Journal Audit Socket. <30>[ 16.200923] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). <30>[ 16.219828] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. <30>[ 16.236181] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. <30>[ 16.260056] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. <30>[ 16.278422] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. <30>[ 16.302198] systemd[1]: Mounting Huge Pages File System... Mounting Huge Pages File System... <30>[ 16.322476] systemd[1]: Mounting POSIX Message Queue File System... Mounting POSIX Message Queue File System... <30>[ 16.346208] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... <30>[ 16.369439] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... <30>[ 16.391500] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... <30>[ 16.417025] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... <30>[ 16.441386] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... <30>[ 16.462209] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... <6>[ 16.474830] mount (197) used greatest stack depth: 12384 bytes left <30>[ 16.495023] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. <30>[ 16.533991] systemd[1]: Starting Journal Service... Starting Journal Service... <6>[ 16.560386] fuse: init (API version 7.32) <30>[ 16.564843] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... <30>[ 16.584156] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... <30>[ 16.610931] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... <30>[ 16.650719] systemd[1]: Mounted Huge Pages File System. [ OK ] Mounted Huge Pages File System. <30>[ 16.667844] systemd[1]: Mounted POSIX Message Queue File System. [ OK ] Mounted POSIX Message Queue File System. <30>[ 16.686426] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. <30>[ 16.704872] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. <30>[ 16.726977] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. <30>[ 16.752392] systemd[1]: modprobe@configfs.service: Succeeded. <30>[ 16.761925] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. <30>[ 16.782178] systemd[1]: modprobe@drm.service: Succeeded. <30>[ 16.791415] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. <30>[ 16.811596] systemd[1]: modprobe@fuse.service: Succeeded. <30>[ 16.820691] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. <30>[ 16.840196] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. <30>[ 16.859177] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. <30>[ 16.884553] systemd[1]: Mounting FUSE Control File System... Mounting FUSE Control File System... <30>[ 16.906921] systemd[1]: Mounting Kernel Configuration File System... Mounting Kernel Configuration File System... <30>[ 16.933094] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. <30>[ 16.944027] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. <30>[ 16.960905] systemd[1]: Starting Load/Save Random Seed... Starting Load/Save Random Seed... <30>[ 16.984736] systemd[1]: Starting Apply Kernel Variables... Starting Apply Kernel Variables... <30>[ 17.009165] systemd[1]: Starting Create System Users... Starting Create System Users... <30>[ 17.055442] systemd[1]: Mounted FUSE Control File System. [ OK ] Mounted FUSE Control File System. <30>[ 17.071335] systemd[1]: Mounted Kernel Configuration File System. [ OK ] Mounted Kernel Configuration File System. <30>[ 17.094116] systemd[1]: Finished Load/Save Random Seed. [ OK ] Finished Load/Save Random Seed. <30>[ 17.114345] systemd[1]: Condition check resulted in First Boot Complete being skipped. <30>[ 17.128414] systemd[1]: Finished Apply Kernel Variables. [ OK ] Finished Apply Kernel Variables. <30>[ 17.254867] systemd[1]: Finished Create System Users. [ OK ] Finished Create System Users. <30>[ 17.277143] systemd[1]: Starting Create Static Device Nodes in /dev... Starting Create Static Device Nodes in /dev... <30>[ 17.322683] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. Starting Flush Journal to Persistent Storage... <46>[ 17.431489] systemd-journald[205]: Received client request to flush runtime journal. [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Rule-based Manage…for Device Events and Files... [ OK ] Finished Coldplug All udev Devices. [ OK ] Finished Flush Journal to Persistent Storage. Starting Create Volatile Files and Directories... [ OK ] Started Rule-based Manager for Device Events and Files. Starting Network Service... [ OK ] Created slice system-systemd\x2dbacklight.slice. Starting Load/Save Screen …f backlight:intel_backlight... [ OK ] Found device Celeron N3350…3900 Series HSUART Controller. [ OK ] Finished Create Volatile Files and Directories. [ OK ] Finished Load/Save Screen … of backlight:intel_backlight. [ OK ] Started Network Service. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. Starting Network Name Resolution... Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Initialization. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Periodic ext4 Onli…ata Check for All Filesystems. [ OK ] Started Discard unused blocks once a week. [ OK ] Reached target Timers. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... [ OK ] Started Network Name Resolution. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. Starting Permit User Sessions... [ OK ] Finished Permit User Sessions. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS2. [ OK ] Reached target Login Prompts. [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Started User Login Management. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Finished Update UTMP about System Runlevel Changes. Debian GNU/Linux 11 debian-bullseye-amd64 ttyS2 debian-bullseye-amd64 login: root (automatic login) Linux debian-bullseye-amd64 5.10.204-cip41 #1 SMP Thu Dec 14 00:09:38 UTC 2023 x86_64 The programs included with the Debian GNU/Linux system are free software; the exact distribution terms for each program are described in the individual files in /usr/share/doc/*/copyright. Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent permitted by applicable law. / # / #export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/12264597/extract-nfsrootfs-e127lbts' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/12264597/extract-nfsrootfs-e127lbts' / # export NFS_SERVER_IP='192.168.201.1' export NFS_SERVER_IP='192.168.201.1' / # # # / # export SHELL=/bin/bash export SHELL=/bin/bash / # . /lava-12264597/environment . /lava-12264597/environment / # /lava-12264597/bin/lava-test-runner /lava-12264597/0 /lava-12264597/bin/lava-test-runner /lava-12264597/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-12264597/0/tests/0_timesync-off ++ cat uuid + UUID=12264597_1.5.2.3.1 + set +x + systemctl stop systemd-timesyncd + set +x + export TESTRUN_ID=1_kselftest-lkdtm + TESTRUN_ID=1_kselftest-lkdtm + cd /lava-12264597/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=12264597_1.5.2.3.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s True -u http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.201-cip41-473-gc43d7b7bbe83a/x86_64/x86_64_defconfig+x86-board+kselftest/gcc-10/kselftest.tar.xz -L '' -S /dev/null -b asus-C523NA-A20057-coral -g cip-gitlab -e '' -p /opt/kselftests/mainline/ -n 1 -i 1 INFO: install_deps skipped --2023-12-14 00:33:45-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.201-cip41-473-gc43d7b7bbe83a/x86_64/x86_64_defconfig+x86-board+kselftest/gcc-10/kselftest.tar.xz Resolving storage.kernelci.org (storage.kernelci.org)... 20.171.243.82 Connecting to storage.kernelci.org (storage.kernelci.org)|20.171.243.82|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 3378312 (3.2M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 47.81K 182KB/s kselftest.tar.xz 6%[> ] 216.08K 409KB/s kselftest.tar.xz 27%[====> ] 897.66K 1.10MB/s kselftest.tar.xz 45%[========> ] 1.47M 1.48MB/s kselftest.tar.xz 95%[==================> ] 3.06M 2.41MB/s kselftest.tar.xz 100%[===================>] 3.22M 2.53MB/s in 1.3s 2023-12-14 00:33:47 (2.53 MB/s) - 'kselftest.tar.xz' saved [3378312/3378312] skiplist: ======================================== ======================================== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ============== Tests to run =============== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ===========End Tests to run =============== shardfile-lkdtm pass <12>[ 42.151584] kselftest: Running tests in lkdtm TAP version 13 1..70 # selftests: lkdtm: PANIC.sh # Skipping PANIC: crashes entire system ok 1 selftests: lkdtm: PANIC.sh # SKIP # selftests: lkdtm: BUG.sh <6>[ 43.094951] lkdtm: Performing direct entry BUG <4>[ 43.100632] ------------[ cut here ]------------ <2>[ 43.106165] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <4>[ 43.112468] invalid opcode: 0000 [#1] SMP PTI <4>[ 43.117656] CPU: 3 PID: 637 Comm: cat Tainted: G W 5.10.204-cip41 #1 <4>[ 43.126538] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 43.133481] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 43.138178] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03 <4>[ 43.159535] RSP: 0018:ffffac80411f7e60 EFLAGS: 00010282 <4>[ 43.165693] RAX: ffffffffa037bd40 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 43.173991] RDX: 0000000000000000 RSI: ffff8df53bd9bf50 RDI: ffffffffa14f84b0 <4>[ 43.182291] RBP: ffffffffa19e8c28 R08: 0000000000000001 R09: 0000000000000001 <4>[ 43.190590] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 43.198889] R13: ffffac80411f7f10 R14: ffffac80411f7f10 R15: ffff8df4c325d000 <4>[ 43.207189] FS: 00007f1c72b87580(0000) GS:ffff8df53bd80000(0000) knlGS:0000000000000000 <4>[ 43.216559] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.223296] CR2: 00007f1c72991000 CR3: 000000010667c000 CR4: 00000000003506e0 <4>[ 43.231587] Call Trace: <4>[ 43.234631] ? __die_body.cold+0x1a/0x1f <4>[ 43.239325] ? die+0x2b/0x50 <4>[ 43.242852] ? do_trap+0x91/0x110 <4>[ 43.246862] ? lkdtm_BUG+0x5/0x10 <4>[ 43.250875] ? do_error_trap+0x90/0x110 <4>[ 43.255472] ? lkdtm_BUG+0x5/0x10 <4>[ 43.259482] ? lkdtm_BUG+0x5/0x10 <4>[ 43.263500] ? exc_invalid_op+0x4e/0x70 <4>[ 43.268092] ? lkdtm_BUG+0x5/0x10 <4>[ 43.272105] ? asm_exc_invalid_op+0x12/0x20 <4>[ 43.277095] ? direct_entry+0xe0/0xe0 <4>[ 43.281498] ? lkdtm_BUG+0x5/0x10 <4>[ 43.285510] direct_entry.cold+0x2c/0x38 <4>[ 43.290209] full_proxy_write+0x56/0x80 <4>[ 43.294808] vfs_write+0xea/0x3b0 <4>[ 43.298819] ksys_write+0x68/0xf0 <4>[ 43.302826] do_syscall_64+0x33/0x40 <4>[ 43.307129] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 43.313088] RIP: 0033:0x7f1c72a9d473 <4>[ 43.317392] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 43.338723] RSP: 002b:00007fffac08c598 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 43.347491] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1c72a9d473 <4>[ 43.355783] RDX: 0000000000000004 RSI: 00007f1c72991000 RDI: 0000000000000001 <4>[ 43.364075] RBP: 00007f1c72991000 R08: 00007f1c72990010 R09: 0000000000000000 <4>[ 43.372371] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 43.380667] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 43.388960] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <0>[ 43.431118] gsmi: Log Shutdown Reason 0x03 <4>[ 43.436077] ---[ end trace 68c4bcfb3b2027c2 ]--- <4>[ 43.441914] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 43.446679] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03 <4>[ 43.468251] RSP: 0018:ffffac80411f7e60 EFLAGS: 00010282 <4>[ 43.474662] RAX: ffffffffa037bd40 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 43.483075] RDX: 0000000000000000 RSI: ffff8df53bd9bf50 RDI: ffffffffa14f84b0 <4>[ 43.491429] RBP: ffffffffa19e8c28 R08: 0000000000000001 R09: 0000000000000001 <4>[ 43.499812] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 43.508178] R13: ffffac80411f7f10 R14: ffffac80411f7f10 R15: ffff8df4c325d000 <4>[ 43.516551] FS: 00007f1c72b87580(0000) GS:ffff8df53bd80000(0000) knlGS:0000000000000000 <4>[ 43.526001] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.532853] CR2: 00007f1c72991000 CR3: 000000010667c000 CR4: 00000000003506e0 # Segmentation fault # [ 43.094951] lkdtm: Performing direct entry BUG # [ 43.100632] ------------[ cut here ]------------ # [ 43.106165] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 43.112468] invalid opcode: 0000 [#1] SMP PTI # [ 43.117656] CPU: 3 PID: 637 Comm: cat Tainted: G W 5.10.204-cip41 #1 # [ 43.126538] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 43.133481] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 43.138178] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03 # [ 43.159535] RSP: 0018:ffffac80411f7e60 EFLAGS: 00010282 # [ 43.165693] RAX: ffffffffa037bd40 RBX: 0000000000000001 RCX: 0000000000000000 # [ 43.173991] RDX: 0000000000000000 RSI: ffff8df53bd9bf50 RDI: ffffffffa14f84b0 # [ 43.182291] RBP: ffffffffa19e8c28 R08: 0000000000000001 R09: 0000000000000001 # [ 43.190590] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 43.198889] R13: ffffac80411f7f10 R14: ffffac80411f7f10 R15: ffff8df4c325d000 # [ 43.207189] FS: 00007f1c72b87580(0000) GS:ffff8df53bd80000(0000) knlGS:0000000000000000 # [ 43.216559] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.223296] CR2: 00007f1c72991000 CR3: 000000010667c000 CR4: 00000000003506e0 # [ 43.231587] Call Trace: # [ 43.234631] ? __die_body.cold+0x1a/0x1f # [ 43.239325] ? die+0x2b/0x50 # [ 43.242852] ? do_trap+0x91/0x110 # [ 43.246862] ? lkdtm_BUG+0x5/0x10 # [ 43.250875] ? do_error_trap+0x90/0x110 # [ 43.255472] ? lkdtm_BUG+0x5/0x10 # [ 43.259482] ? lkdtm_BUG+0x5/0x10 # [ 43.263500] ? exc_invalid_op+0x4e/0x70 # [ 43.268092] ? lkdtm_BUG+0x5/0x10 # [ 43.272105] ? asm_exc_invalid_op+0x12/0x20 # [ 43.277095] ? direct_entry+0xe0/0xe0 # [ 43.281498] ? lkdtm_BUG+0x5/0x10 # [ 43.285510] direct_entry.cold+0x2c/0x38 # [ 43.290209] full_proxy_write+0x56/0x80 # [ 43.294808] vfs_write+0xea/0x3b0 # [ 43.298819] ksys_write+0x68/0xf0 # [ 43.302826] do_syscall_64+0x33/0x40 # [ 43.307129] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 43.313088] RIP: 0033:0x7f1c72a9d473 # [ 43.317392] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 43.338723] RSP: 002b:00007fffac08c598 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 43.347491] RAX<6>[ 43.871683] lkdtm: Performing direct entry WARNING : ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1c72a9d473 <4>[ 43.881012] ------------[ cut here ]------------ # [ 43.355783] RDX: 0000000000000004 RSI: 00007f1c72991000 RDI<4>[ 43.892653] WARNING: CPU: 3 PID: 675 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 : 0000000000000001 # [ 43.364075] RBP: 00007f1c72991000 R08: <4>[ 43.908639] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table 00007f1c72990010 R09: 0000000000000000 # [ 43.372371] R10: ff<4>[ 43.955145] CPU: 3 PID: 675 Comm: cat Tainted: G D W 5.10.204-cip41 #1 fffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ <4>[ 43.970238] Hardware name: Google Coral/Coral, BIOS 09/29/2020 43.380667] R13: 0000000000000001 R14: 0000000000020000 R15: 00<4>[ 43.983365] RIP: 0010:lkdtm_WARNING+0x13/0x20 00000000020000 # [ 43.388960] Modules linked in: fuse ip_tabl<4>[ 43.994807] Code: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 91 7f es uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev<4>[ 44.022381] RSP: 0018:ffffac804127fe60 EFLAGS: 00010202 cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logge<4>[ 44.034802] RAX: ffffffffa037bd50 RBX: 0000000000000002 RCX: 0000000000000000 r videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg<4>[ 44.049315] RDX: 0000000000000000 RSI: ffff8df53bd9bf50 RDI: ffffffffa14f84c0 _temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_u<4>[ 44.063876] RBP: ffffffffa198289f R08: 0000000000000000 R09: 0000000000000000 sbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine <4>[ 44.078409] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 regmap_i2c chromeos_pstore coreboot_table # [ 43.431118] gsmi<4>[ 44.092974] R13: ffffac804127ff10 R14: ffffac804127ff10 R15: ffff8df4c2c15000 : Log Shutdown Reason 0x03 # [ 43.436077] ---[ end trace 68c4<4>[ 44.107496] FS: 00007f31385c9580(0000) GS:ffff8df53bd80000(0000) knlGS:0000000000000000 bcfb3b2027c2 ]--- # [ 43.441914] RIP: 0010:lkdtm_BUG+0x5/0x10<4>[ 44.123139] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.446679] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff <4>[ 44.136097] CR2: 00007f31383d3000 CR3: 0000000105a0c000 CR4: 00000000003506e0 ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff f<4>[ 44.150634] Call Trace: f eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f <4>[ 44.160003] ? __warn+0x80/0x110 44 00 00 83 05 b0 7f 0b 03 # [ 43.468251] RSP: 0018:ffffac804<4>[ 44.170384] ? lkdtm_WARNING+0x13/0x20 11f7e60 EFLAGS: 00010282 # [ 43.474662] RAX: ffffffffa037bd40<4>[ 44.180875] ? report_bug+0x9e/0xc0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 43.483075] R<4>[ 44.191532] ? handle_bug+0x41/0x90 DX: 0000000000000000 RSI: ffff8df53bd9bf50 RDI: ffffffffa14f84b0<4>[ 44.201922] ? exc_invalid_op+0x14/0x70 # [ 43.491429] RBP: ffffffffa19e8c28 R08: 0000000000000001 R<4>[ 44.212717] ? asm_exc_invalid_op+0x12/0x20 09: 0000000000000001 # [ 43.499812] R10: 00000000ffffe000 R11<4>[ 44.223879] ? lkdtm_BUG+0x10/0x10 : 3fffffffffffffff R12: 0000000000000004 # [ 43.508178] R13: <4>[ 44.234296] ? lkdtm_WARNING+0x13/0x20 ffffac80411f7f10 R14: ffffac80411f7f10 R15: ffff8df4c325d000 # <4>[ 44.244879] direct_entry.cold+0x2c/0x38 [ 43.516551] FS: 00007f1c72b87580(0000) GS:ffff8df53bd80000(0<4>[ 44.255959] full_proxy_write+0x56/0x80 000) knlGS:0000000000000000 # [ 43.526001] CS: 0010 DS: 0000<4>[ 44.266602] vfs_write+0xea/0x3b0 ES: 0000 CR0: 0000000080050033 # [ 43.532853] CR2: 00007f1c7<4>[ 44.276861] ksys_write+0x68/0xf0 2991000 CR3: 000000010667c000 CR4: 00000000003506e0 # BUG: saw <4>[ 44.287168] do_syscall_64+0x33/0x40 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests:<4>[ 44.297637] entry_SYSCALL_64_after_hwframe+0x62/0xc7 lkdtm: WARNING.sh <4>[ 44.309861] RIP: 0033:0x7f31384df473 <4>[ 44.316079] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 44.337559] RSP: 002b:00007ffd71bbe288 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 44.346439] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f31384df473 <4>[ 44.354832] RDX: 0000000000000008 RSI: 00007f31383d3000 RDI: 0000000000000001 <4>[ 44.363198] RBP: 00007f31383d3000 R08: 00007f31383d2010 R09: 0000000000000000 <4>[ 44.371564] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 44.379927] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 44.388408] irq event stamp: 0 <4>[ 44.392173] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 44.399632] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 44.409240] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 44.418880] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 44.426370] ---[ end trace 68c4bcfb3b2027c3 ]--- # [ 43.871683] lkdtm: Performing direct entry WARNING # [ 43.881012] ------------[ cut here ]------------ # [ 43.892653] WARNING: CPU: 3 PID: 675 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 43.908639] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 43.955145] CPU: 3 PID: 675 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 43.970238] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 43.983365] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 43.994807] Code: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 91 7f # [ 44.022381] RSP: 0018:ffffac804127fe60 EFLAGS: 00010202 # [ 44.034802] RAX: ffffffffa037bd50 RBX: 0000000000000002 RCX: 0000000000000000 # [ 44.049315] RDX: 0000000000000000 RSI: ffff8df53bd9bf50 RDI: ffffffffa14f84c0 # [ 44.063876] RBP: ffffffffa198289f R08: 0000000000000000 R09: 0000000000000000 # [ 44.078409] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 44.092974] R13: ffffac804127ff10 R14: ffffac804127ff10 R15: ffff8df4c2c15000 # [ 44.107496] FS: 00007f31385c9580(0000) GS:ffff8df53bd80000(0000) knlGS:0000000000000000 # [ 44.123139] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.136097] CR2: 00007f31383d3000 CR3: 0000000105a0c000 CR4: 00000000003506e0 # [ 44.150634] Call Trace: # [ 44.160003] ? __warn+0x80/0x110 # [ 44.170384] ? lkdtm_WARNING+0x13/0x20 # [ 44.180875] ? report_bug+0x9e/0xc0 # [ 44.191532] ? handle_bug+0x41/0x90 # [ 44.201922] ? exc_invalid_op+0x14/0x70 # [ 44.212717] ? asm_exc_invalid_op+0x12/0x20 # [ 44.223879] ? lkdtm_BUG+0x10/0x10 # [ 44.234296] ? lkdtm_WARNING+0x13/0x20 # [ 44.244879] direct_entry.cold+0x2c/0x38 # [ 44.255959] full_proxy_write+0x56/0x80 # [ 44.266602] vfs_write+0xea/0x3b0 # [ 44.276861] ksys_write+0x68/0xf0 # [ 44.287168] do_syscall_64+0x33/0x40 # [ 44.297637] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 44.309861] RIP: 0033:0x7f31384df473 # [ 44.316079] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25<6>[ 44.723561] lkdtm: Performing direct entry WARNING_MESSAGE 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff f<4>[ 44.731365] ------------[ cut here ]------------ <4>[ 44.743078] Warning message trigger count: 2 f 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 44.3375<4>[ 44.748238] WARNING: CPU: 2 PID: 711 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 59] RSP: 002b:00007ffd71bbe288 EFLAGS: 00000246 ORIG_RAX: 000000<4>[ 44.764999] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 44.811434] CPU: 2 PID: 711 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 44.820320] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 44.827265] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 <4>[ 44.833234] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 91 7f 0b 03 48 c7 c7 00 2e 98 a1 8d 70 01 89 35 81 7f 0b 03 e8 5a b9 69 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 <4>[ 44.854568] RSP: 0018:ffffac804131fe60 EFLAGS: 00010286 <4>[ 44.860731] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 <4>[ 44.869039] RDX: ffff8df53bd2c620 RSI: ffff8df53bd1bf50 RDI: ffff8df53bd1bf50 <4>[ 44.877357] RBP: ffffffffa19828a7 R08: 0000000000000000 R09: 0000000000000000 <4>[ 44.885679] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 <4>[ 44.893995] R13: ffffac804131ff10 R14: ffffac804131ff10 R15: ffff8df4c6550000 <4>[ 44.902308] FS: 00007f0adb2b6580(0000) GS:ffff8df53bd00000(0000) knlGS:0000000000000000 <4>[ 44.911695] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.918450] CR2: 00007f0adb0c0000 CR3: 000000010364a000 CR4: 00000000003506e0 <4>[ 44.926760] Call Trace: <4>[ 44.929826] ? __warn+0x80/0x110 <4>[ 44.933759] ? lkdtm_WARNING_MESSAGE+0x20/0x30 <4>[ 44.939057] ? report_bug+0x9e/0xc0 <4>[ 44.943287] ? handle_bug+0x41/0x90 <4>[ 44.947512] ? exc_invalid_op+0x14/0x70 <4>[ 44.952127] ? asm_exc_invalid_op+0x12/0x20 <4>[ 44.957137] ? lkdtm_WARNING_MESSAGE+0x20/0x30 <4>[ 44.962437] direct_entry.cold+0x2c/0x38 <4>[ 44.967154] full_proxy_write+0x56/0x80 <4>[ 44.971768] vfs_write+0xea/0x3b0 <4>[ 44.975803] ksys_write+0x68/0xf0 <4>[ 44.979837] do_syscall_64+0x33/0x40 0000000001 # [ 44.346439] RAX: ffffffffffffffda RBX: 00000000<4>[ 44.984162] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 44.996393] RIP: 0033:0x7f0adb1cc473 <4>[ 45.000728] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 00000008 RCX: 00007f31384df473 # [ 44.354832] RDX: 0000000000<4>[ 45.022102] RSP: 002b:00007ffedc0ba958 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 45.037129] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f0adb1cc473 <4>[ 45.045442] RDX: 0000000000000010 RSI: 00007f0adb0c0000 RDI: 0000000000000001 <4>[ 45.053755] RBP: 00007f0adb0c0000 R08: 00007f0adb0bf010 R09: 0000000000000000 <4>[ 45.062051] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 45.070342] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 45.078662] irq event stamp: 0 <4>[ 45.082400] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 45.089745] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 45.099228] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 45.108696] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 45.116030] ---[ end trace 68c4bcfb3b2027c4 ]--- 000008 RSI: 00007f31383d3000 RDI: 0000000000000001 # [ 44.363198] RBP: 00007f31383d3000 R08: 00007f31383d2010 R09: 0000000000000000 # [ 44.371564] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 44.379927] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 44.388408] irq event stamp: 0 # [ 44.392173] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 44.399632] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 44.409240] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 44.418880] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 44.426370] ---[ end trace 68c4bcfb3b2027c3 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 44.723561] lkdtm: Performing direct entry WARNING_MESSAGE # [ 44.731365] ------------[ cut here ]------------ # [ 44.743078] Warning message trigger count: 2 # [ 44.748238] WARNING: CPU: 2 PID: 711 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 44.764999] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 44.811434] CPU: 2 PID: 711 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 44.820320] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 44.827265] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 44.833234] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 91 7f 0b 03 48 c7 c7 00 2e 98 a1 8d 70 01 89 35 81 7f 0b 03 e8 5a b9 69 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 44.854568] RSP: 0018:ffffac804131fe60 EFLAGS: 00010286 # [ 44.860731] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 44.869039] RDX: ffff8df53bd2c620 RSI: ffff8df53bd1bf50 RDI: ffff8df53bd1bf50 # [ 44.877357] RBP: ffffffffa19828a7 R08: 0000000000000000 R09: 0000000000000000 # [ 44.885679] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 44.893995] R13: ffffac804131ff10 R14: ffffac804131ff10 R15: ffff8df4c6550000 # [ 44.902308] FS: 00007f0adb2b6580(0000) GS:ffff8df53bd00000(0000) knlGS:0000000000000000 # [ 44.911695] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.918450] CR2: 00007f0adb0c0000 CR3: 000000010364a000 CR4: 00000000003506e0 # [ 44.926760] Call Trace: # [ 44.929826] ? __warn+0x80/0x110 # [ 44.933759] ? lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 44.939057] ? report_bug+0x9e/0xc0 # [ 44.943287] <6>[ 45.397379] lkdtm: Performing direct entry EXCEPTION <1>[ 45.407943] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 45.416026] #PF: supervisor write access in kernel mode <1>[ 45.422178] #PF: error_code(0x0002) - not-present page <6>[ 45.428225] PGD 0 P4D 0 <4>[ 45.431358] Oops: 0002 [#2] SMP PTI <4>[ 45.435559] CPU: 2 PID: 744 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 45.444436] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 45.451373] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 <4>[ 45.456649] Code: 48 c7 c7 00 2e 98 a1 8d 70 01 89 35 81 7f 0b 03 e8 5a b9 69 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 <4>[ 45.477962] RSP: 0018:ffffac804137fe60 EFLAGS: 00010286 <4>[ 45.484115] RAX: ffffffffa037bda0 RBX: 0000000000000004 RCX: 0000000000000000 <4>[ 45.492403] RDX: 0000000000000000 RSI: ffff8df53bd1bf50 RDI: ffffffffa14f84e0 <4>[ 45.500680] RBP: ffffffffa187650f R08: 0000000000000000 R09: 0000000000000000 <4>[ 45.508955] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 45.517247] R13: ffffac804137ff10 R14: ffffac804137ff10 R15: ffff8df4c3eef000 <4>[ 45.525546] FS: 00007fde89a1c580(0000) GS:ffff8df53bd00000(0000) knlGS:0000000000000000 <4>[ 45.534913] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 45.541647] CR2: 0000000000000000 CR3: 00000001032d8000 CR4: 00000000003506e0 <4>[ 45.549943] Call Trace: <4>[ 45.552996] ? __die_body.cold+0x1a/0x1f <4>[ 45.557685] ? no_context+0x177/0x380 <4>[ 45.562086] ? exc_page_fault+0x53/0x170 <4>[ 45.566780] ? asm_exc_page_fault+0x1e/0x30 <4>[ 45.571767] ? lkdtm_WARNING_MESSAGE+0x30/0x30 <4>[ 45.577046] ? lkdtm_EXCEPTION+0x5/0x20 <4>[ 45.581645] direct_entry.cold+0x2c/0x38 <4>[ 45.586342] full_proxy_write+0x56/0x80 <4>[ 45.590941] vfs_write+0xea/0x3b0 <4>[ 45.594953] ksys_write+0x68/0xf0 <4>[ 45.598959] do_syscall_64+0x33/0x40 <4>[ 45.603257] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 45.609211] RIP: 0033:0x7fde89932473 <4>[ 45.613515] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 45.634862] RSP: 002b:00007ffdaeb153d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 45.643647] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fde89932473 <4>[ 45.651926] RDX: 000000000000000a RSI: 00007fde89826000 RDI: 0000000000000001 <4>[ 45.660207] RBP: 00007fde89826000 R08: 00007fde89825010 R09: 0000000000000000 <4>[ 45.668485] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 45.676771] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ? handle_bug+0x41/0x90 # [ 44.947512] ? exc_invalid_op+0x14/<4>[ 45.685067] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 45.731470] CR2: 0000000000000000 <4>[ 45.735479] ---[ end trace 68c4bcfb3b2027c5 ]--- <4>[ 45.740946] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 45.745630] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03 <4>[ 45.766944] RSP: 0018:ffffac80411f7e60 EFLAGS: 00010282 <4>[ 45.773095] RAX: ffffffffa037bd40 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 45.781389] RDX: 0000000000000000 RSI: ffff8df53bd9bf50 RDI: ffffffffa14f84b0 <4>[ 45.789684] RBP: ffffffffa19e8c28 R08: 0000000000000001 R09: 0000000000000001 <4>[ 45.797981] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 45.806265] R13: ffffac80411f7f10 R14: ffffac80411f7f10 R15: ffff8df4c325d000 <4>[ 45.814544] FS: 00007fde89a1c580(0000) GS:ffff8df53bd00000(0000) knlGS:0000000000000000 <4>[ 45.823900] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 45.830623] CR2: 0000000000000000 CR3: 00000001032d8000 CR4: 00000000003506e0 <3>[ 45.838895] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 45.849129] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 744, name: cat <4>[ 45.857803] INFO: lockdep is turned off. <4>[ 45.862486] irq event stamp: 0 <4>[ 45.866200] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 45.873519] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 45.882966] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 45.892426] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 45.899745] CPU: 2 PID: 744 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 45.908605] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 45.915525] Call Trace: <4>[ 45.918560] dump_stack+0x77/0x9b <4>[ 45.922569] ___might_sleep.cold+0xa6/0xb6 <4>[ 45.927452] exit_signals+0x1c/0x300 <4>[ 45.931749] do_exit+0xc2/0xab0 <4>[ 45.935561] ? ksys_write+0x68/0xf0 <4>[ 45.939754] make_task_dead+0x2f/0x30 <4>[ 45.944151] rewind_stack_and_make_dead+0x17/0x20 <4>[ 45.949716] RIP: 0033:0x7fde89932473 <4>[ 45.954023] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 45.975384] RSP: 002b:00007ffdaeb153d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 45.984156] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fde89932473 <4>[ 45.992453] RDX: 000000000000000a RSI: 00007fde89826000 RDI: 0000000000000001 <4>[ 46.000740] RBP: 00007fde89826000 R08: 00007fde89825010 R09: 0000000000000000 <4>[ 46.009037] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 46.017329] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0x70 # [ 44.952127] ? asm_exc_invalid_op+0x12/0x20 # [ 44.957137] ? lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 44.962437] direct_entry.cold+0x2c/0x38 # [ 44.967154] full_proxy_write+0x56/0x80 # [ 44.971768] vfs_write+0xea/0x3b0 # [ 44.975803] ksys_write+0x68/0xf0 # [ 44.979837] do_syscall_64+0x33/0x40 # [ 44.984162] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 44.996393] RIP: 0033:0x7f0adb1cc473 # [ 45.000728] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 45.022102] RSP: 002b:00007ffedc0ba958 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 45.037129] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f0adb1cc473 # [ 45.045442] RDX: 0000000000000010 RSI: 00007f0adb0c0000 RDI: 0000000000000001 # [ 45.053755] RBP: 00007f0adb0c0000 R08: 00007f0adb0bf010 R09: 0000000000000000 # [ 45.062051] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 45.070342] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 45.078662] irq event stamp: 0 # [ 45.082400] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 45.089745] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 45.099228] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 45.108696] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 45.116030] ---[ end trace 68c4bcfb3b2027c4 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 45.397379] lkdtm: Performing direct entry EXCEPTION # [ 45.407943] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 45.416026] #PF: supervisor write access in kernel mode # [ 45.422178] #PF: error_code(0x0002) - not-present page # [ 45.428225] PGD 0 P4D 0 # [ 45.431358] Oops: 0002 [#2] SMP PTI # [ 45.435559] CPU: 2 PID: 744 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 45.444436] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 45.451373] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 45.456649] Code: 48 c7 c7 00 2e 98 a1 8d 70 01 89 35 81 7f 0b 03 e8 5a b9 69 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 # [ 45.477962] RSP: 0018:ffffac804137fe60 EFLAGS: 00010286 # [ 45.484115] RAX: ffffffffa037bda0 RBX: 0000000000000004 RCX: 0000000000000000 # [ 45.492403] RDX: 0000000000000000 RSI: ffff8df53bd1bf50 RDI: ffffffffa14f84e0 # [ 45.500680] RBP: ffffffffa187650f R08: 0000000000000000 R09: 0000000000000000 # [ 45.508955] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 45.517247] R13: ffffac804137ff10 R14: ffffac804137ff10 R15: ffff8df4c3eef000 # [ 45.525546] FS: 00007fde89a1c580(0000) GS:ffff8df53bd00000(0000) knlGS:0000000000000000 # [ 45.534913] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.541647] CR2: 0000000000000000 CR3: 00000001032d8000 CR4: 00000000003506e0 # [ 45.549943] Call Trace: # [ 45.552996] ? __die_body.cold+0x1a/0x1f # [ 45.557685] ? no_context+0x177/0x380 # [ 45.562086] ? exc_page_fault+0x53/0x170 # [ 45.566780] ? asm_exc_page_fault+0x1e/0x30 # [ 45.571767] ? lkdtm_WARNING_MESSAGE+0x30/0x30 # [ 45.577046] ? lkdtm_EXCEPTION+0x5/0x20 # [ 45.581645] direct_entry.cold+0x2c/0x38 # [ 45.586342] full_proxy_write+0x56/0x80 # [ 45.590941] vfs_write+0xea/0x3b0 # [ 45.594953] ksys_write+0x68/0xf0 # [ 45.598959] do_syscall_64+0x33/0x40 # [ 45.603257] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 45.609211] RIP: 0033:0x7fde89932473 # [ 45.613515] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 45.634862] RSP: 002b:00007ffdaeb153d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 45.643647] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fde89932473 # [ 45.651926] RDX: 000000000000000a RSI: 00007fde89826000 RDI: 0000000000000001 # [ 45.660207] RBP: 00007fde89826000 R08: 00007fde89825010 R09: 0000000000000000 # [ 45.668485] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 45.676771] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 45.685067] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 45.731470] CR2: 0000000000000000 # [ 45.735479] ---[ end trace 68c4bcfb3b2027c5 ]--- # [ 45.740946] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 45.745630] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03 # [ 45.766944] RSP: 0018:ffffac80411f7e60 EFLAGS: 00010282 # [ 45.773095] RAX: ffffffffa037bd40 RBX: 0000000000000001 RCX: 0000000000000000 # [ 45.781389] RDX: 0000000000000000 RSI: ffff8df53bd9bf50 RDI: ffffffffa14f84b0 # [ 45.789684] RBP: ffffffffa19e8c28 R08: 0000000000000001 R09: 0000000000000001 # [ 45.797981] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 45.806265] R13: ffffac80411f7f10 R14: ffffac80411f7f10 R15: ffff8df4c325d000 # [ 45.814544] FS: 00007fde89a1c580(0000) GS:ffff8df53bd00000(0000) knlGS:0000000000000000 # [ 45.823900] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.830623] CR2: 0000000000000000 CR3: 00000001032d8000 CR4: 00000000003506e0 # [ 45.838895] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 45.849129] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 744, name: cat # [ 45.857803] INFO: lockdep is turned off. # [ 45.862486] irq event stamp: 0 # [ 45.866200] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 45.873519] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 45.882966] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 45.892426] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 45.899745] CPU: 2 PID: 744 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 45.908605] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 45.915525] Call Trace: # [ 45.918560] dump_stack+0x77/0x9b # [ 45.922569] ___might_sleep.cold+0xa6/0xb6 # [ 45.927452] exit_signals+0x1c/0x300 # [ 45.931749] do_exit+0xc2/0xab0 # [ 45.935561] ? ksys_write+0x68/0xf0 # [ 45.939754] make_task_dead+0x2f/0x30 # [ 45.944151] rewind_stack_and_make_dead+0x17/0x20 # [ 45.949716] RIP: 0033:0x7fde89932473 # [ 45.954023] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 45.975384] RSP: 002b:00007ffdaeb153d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 45.984156] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fde89932473 # [ 45.992453] RDX: 000000000000000a RSI: 00007fde89826000 RDI: 0000000000000001 # [ 46.000740] RBP: 00007fde89826000 R08: 00007fde89825010 R09: 0000000000000000 # [ 46.009037] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 46.017329] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXCEPTION: saw 'call trace:': ok ok 5 selftests: lkdtm: EXCEPTION.sh # selftests: lkdtm: LOOP.sh # Skipping LOOP: Hangs the system ok 6 selftests: lkdtm: LOOP.sh # SKIP # selftests: lkdtm: EXHAUST_STACK.sh # Skipping EXHAUST_STACK: Corrupts memory on failure ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK.sh # Skipping CORRUPT_STACK: Crashes entire system on success ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK_STRONG.sh # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.sh <6>[ 46.913603] lkdtm: Performing direct entry CORRUPT_LIST_ADD <6>[ 46.920190] lkdtm: attempting good list addition <6>[ 46.925694] lkdtm: attempting corrupted list addition <3>[ 46.931671] lkdtm: list_add() corruption not detected! # [ 46.913603] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 46.920190] lkdtm: attempting good list addition # [ 46.925694] lkdtm: attempting corrupted list addition # [ 46.931671] lkdtm: list_add() corruption not detected! # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL] not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1 # selftests: lkdtm: CORRUPT_LIST_DEL.sh <6>[ 47.209701] lkdtm: Performing direct entry CORRUPT_LIST_DEL <6>[ 47.216289] lkdtm: attempting good list removal <6>[ 47.221695] lkdtm: attempting corrupted list removal <3>[ 47.227573] lkdtm: list_del() corruption not detected! # [ 47.209701] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 47.216289] lkdtm: attempting good list removal # [ 47.221695] lkdtm: attempting corrupted list removal # [ 47.227573] lkdtm: list_del() corruption not detected! # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL] not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh <6>[ 47.473952] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING <6>[ 47.481364] lkdtm: attempting bad read from page below current stack <0>[ 47.488841] BUG: stack guard page was hit at 00000000c94aa136 (stack is 00000000dadf0781..00000000ffb2d064) <4>[ 47.500068] kernel stack overflow (page fault): 0000 [#3] SMP PTI <4>[ 47.507203] CPU: 3 PID: 976 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 47.516088] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 47.523032] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a <4>[ 47.529873] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 a0 31 98 a1 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 eb de fb ff 48 c7 c7 e0 31 98 a1 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 d1 de fb ff 0f 1f 44 <4>[ 47.551237] RSP: 0018:ffffac8041727e50 EFLAGS: 00010246 <4>[ 47.557396] RAX: 0000000000000038 RBX: ffffac8041724000 RCX: 0000000000000000 <4>[ 47.565696] RDX: 0000000000000000 RSI: ffff8df53bd9bf50 RDI: ffffffffa19831e0 <4>[ 47.573991] RBP: ffffffffa198290a R08: 0000000000000000 R09: 0000000000000000 <4>[ 47.582289] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 <4>[ 47.590586] R13: ffffac8041727f10 R14: ffffac8041727f10 R15: ffff8df4c0fef000 <4>[ 47.598889] FS: 00007fc2889c8580(0000) GS:ffff8df53bd80000(0000) knlGS:0000000000000000 <4>[ 47.608249] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 47.614988] CR2: ffffac8041723fff CR3: 0000000104946000 CR4: 00000000003506e0 <4>[ 47.623285] Call Trace: <4>[ 47.626321] <#DF> <4>[ 47.628876] ? __die_body.cold+0x1a/0x1f <4>[ 47.633572] ? die+0x2b/0x50 <4>[ 47.637100] ? handle_stack_overflow+0x3e/0x4d <4>[ 47.642381] ? no_context+0x24d/0x380 <4>[ 47.646780] <4>[ 47.649426] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 47.689684] ---[ end trace 68c4bcfb3b2027c6 ]--- <4>[ 47.695158] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 47.699850] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03 <4>[ 47.721190] RSP: 0018:ffffac80411f7e60 EFLAGS: 00010282 <4>[ 47.727347] RAX: ffffffffa037bd40 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 47.735647] RDX: 0000000000000000 RSI: ffff8df53bd9bf50 RDI: ffffffffa14f84b0 <4>[ 47.743943] RBP: ffffffffa19e8c28 R08: 0000000000000001 R09: 0000000000000001 <4>[ 47.752232] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 47.760529] R13: ffffac80411f7f10 R14: ffffac80411f7f10 R15: ffff8df4c325d000 <4>[ 47.768827] FS: 00007fc2889c8580(0000) GS:ffff8df53bd80000(0000) knlGS:0000000000000000 <4>[ 47.778195] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 47.784930] CR2: ffffac8041723fff CR3: 0000000104946000 CR4: 00000000003506e0 <3>[ 47.793233] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 47.803481] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 976, name: cat <4>[ 47.812168] INFO: lockdep is turned off. <4>[ 47.816860] irq event stamp: 0 <4>[ 47.820581] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 47.827909] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 47.837370] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 47.846831] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 47.854156] CPU: 3 PID: 976 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 47.863034] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 47.869963] Call Trace: <4>[ 47.873003] dump_stack+0x77/0x9b <4>[ 47.877019] ___might_sleep.cold+0xa6/0xb6 <4>[ 47.881908] exit_signals+0x1c/0x300 <4>[ 47.886212] do_exit+0xc2/0xab0 <4>[ 47.890033] ? ksys_write+0x68/0xf0 <4>[ 47.894239] make_task_dead+0x2f/0x30 <4>[ 47.898643] rewind_stack_and_make_dead+0x17/0x20 <4>[ 47.904206] RIP: 0033:0x7fc2888de473 <4>[ 47.908508] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 47.929866] RSP: 002b:00007fffc40867e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 47.938652] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fc2888de473 <4>[ 47.946946] RDX: 0000000000000019 RSI: 00007fc2887d2000 RDI: 0000000000000001 <4>[ 47.955238] RBP: 00007fc2887d2000 R08: 00007fc2887d1010 R09: 0000000000000000 <4>[ 47.963529] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 47.971825] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # Segmentation fault # [ 47.473952] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 47.481364] lkdtm: attempting bad read from page below current stack # [ 47.488841] BUG: stack guard page was hit at 00000000c94aa136 (stack is 00000000dadf0781..00000000ffb2d064) # [ 47.500068] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 47.507203] CPU: 3 PID: 976 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 47.516088] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 47.523032] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 47.529873] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 a0 31 98 a1 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 eb de fb ff 48 c7 c7 e0 31 98 a1 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 d1 de fb ff 0f 1f 44 # [ 47.551237] RSP: 0018:ffffac8041727e50 EFLAGS: 00010246 # [ 47.557396] RAX: 0000000000000038 RBX: ffffac8041724000 RCX: 0000000000000000 # [ 47.565696] RDX: 0000000000000000 RSI: ffff8df53bd9bf50 RDI: ffffffffa19831e0 # [ 47.573991] RBP: ffffffffa198290a R08: 0000000000000000 R09: 0000000000000000 # [ 47.582289] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 47.590586] R13: ffffac8041727f10 R14: ffffac8041727f10 R15: ffff8df4c0fef000 # [ 47.598889] FS: 00007fc2889c8580(0000) GS:ffff8df53bd80000(0000) knlGS:0000000000000000 # [ 47.608249] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.614988] CR2: ffffac8041723fff CR3: 0000000104946000 CR4: 00000000003506e0 # [ 47.623285] Call Trace: # [ 47.626321] <#DF> # [ 47.628876] ? __die_body.cold+0x1a/0x1f # [ 47.633572] ? die+0x2b/0x50 # [ 47.637100] ? handle_stack_overflow+0x3e/0x4d # [ 47.642381] ? no_context+0x24d/0x380 # [ 47.646780] # [ 47.649426] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 47.689684] ---[ end trace 68c4bcfb3b2027c6 ]--- # [ 47.695158] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 47.699850] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03 # [ 47.721190] R<6>[ 48.278328] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING SP: 0018:ffffac80411f7e60 EFLAGS: 00010282 # [ 47.727347] RAX<6>[ 48.289141] lkdtm: attempting bad read from page above current stack : ffffffffa037bd40 RBX: 0000000000000001 RCX: 0000000000000000 <0>[ 48.302863] BUG: stack guard page was hit at 0000000090fe3b14 (stack is 0000000084c3d31d..000000007b0717a8) <4>[ 48.320251] kernel stack overflow (page fault): 0000 [#4] SMP PTI <4>[ 48.327382] CPU: 3 PID: 1010 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 48.336352] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 48.343292] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d <4>[ 48.350230] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 18 32 98 a1 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 b1 de fb ff 48 c7 c7 58 32 98 a1 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 94 de fb ff <4>[ 48.371579] RSP: 0018:ffffac80417a7e50 EFLAGS: 00010246 <4>[ 48.377727] RAX: 0000000000000038 RBX: ffffac80417a4000 RCX: 0000000000000000 <4>[ 48.386023] RDX: 0000000000000000 RSI: ffff8df53bd9bf50 RDI: ffffffffa1983258 <4>[ 48.394312] RBP: ffffffffa1982923 R08: 0000000000000000 R09: 0000000000000000 <4>[ 48.402608] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a <4>[ 48.410894] R13: ffffac80417a7f10 R14: ffffac80417a7f10 R15: ffff8df4c63e7000 <4>[ 48.419187] FS: 00007fd7b0d02580(0000) GS:ffff8df53bd80000(0000) knlGS:0000000000000000 <4>[ 48.428551] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 48.435283] CR2: ffffac80417a8000 CR3: 0000000106376000 CR4: 00000000003506e0 <4>[ 48.443581] Call Trace: <4>[ 48.446619] <#DF> <4>[ 48.449173] ? __die_body.cold+0x1a/0x1f <4>[ 48.453868] ? die+0x2b/0x50 <4>[ 48.457394] ? handle_stack_overflow+0x3e/0x4d <4>[ 48.462676] ? no_context+0x24d/0x380 <4>[ 48.467073] <4>[ 48.469718] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 48.509955] ---[ end trace 68c4bcfb3b2027c7 ]--- <4>[ 48.515432] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 48.520122] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03 <4>[ 48.541469] RSP: 0018:ffffac80411f7e60 EFLAGS: 00010282 <4>[ 48.547611] RAX: ffffffffa037bd40 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 48.555904] RDX: 0000000000000000 RSI: ffff8df53bd9bf50 RDI: ffffffffa14f84b0 <4>[ 48.564191] RBP: ffffffffa19e8c28 R08: 0000000000000001 R09: 0000000000000001 <4>[ 48.572488] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 48.580785] R13: ffffac80411f7f10 R14: ffffac80411f7f10 R15: ffff8df4c325d000 <4>[ 48.589078] FS: 00007fd7b0d02580(0000) GS:ffff8df53bd80000(0000) knlGS:0000000000000000 <4>[ 48.598448] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 48.605182] CR2: ffffac80417a8000 CR3: 0000000106376000 CR4: 00000000003506e0 # [ 47.735647] RDX: 0000000000000000 RSI: ffff8df53bd9bf50 RDI: ffffffffa14f84b0 # [ 47.743943] RBP: ffffffffa19e8c28 R08: 0000000000000001 R09: 0000000000000001 # [ 47.752232] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 47.760529] R13: ffffac80411f7f10 R14: ffffac80411f7f10 R15: ffff8df4c325d000 # [ 47.768827] FS: 00007fc2889c8580(0000) GS:ffff8df53bd80000(0000) knlGS:0000000000000000 # [ 47.778195] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.784930] CR2: ffffac8041723fff CR3: 0000000104946000 CR4: 00000000003506e0 # [ 47.793233] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 47.803481] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 976, name: cat # [ 47.812168] INFO: lockdep is turned off. # [ 47.816860] irq event stamp: 0 # [ 47.820581] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 47.827909] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 47.837370] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 47.846831] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 47.854156] CPU: 3 PID: 976 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 47.863034] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 47.869963] Call Trace: # [ 47.873003] dump_stack+0x77/0x9b # [ 47.877019] ___might_sleep.cold+0xa6/0xb6 # [ 47.881908] exit_signals+0x1c/0x300 # [ 47.886212] do_exit+0xc2/0xab0 # [ 47.890033] ? ksys_write+0x68/0xf0 # [ 47.894239] make_task_dead+0x2f/0x30 # [ 47.898643] rewind_stack_and_make_dead+0x17/0x20 # [ 47.904206] RIP: 0033:0x7fc2888de473 # [ 47.908508] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 47.929866] RSP: 002b:00007fffc40867e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.938652] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fc2888de473 # [ 47.946946] RDX: 0000000000000019 RSI: 00007fc2887d2000 RDI: 0000000000000001 # [ 47.955238] RBP: 00007fc2887d2000 R08: 00007fc2887d1010 R09: 0000000000000000 # [ 47.963529] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 47.971825] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # Segmentation fault # [ 48.278328] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 48.289141] lkdtm: attempting bad read from page above current stack # [ 48.302863] BUG: stack guard page was hit at 0000000090fe3b14 (stack is 0000000084c3d31d..000000007b0717a8) # [ 48.320251] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 48.327382] CPU: 3 PID: 1010 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 48.336352] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 48.343292] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 48.350230] Code: de fb ff 0f 1f 44 00 00 53 <6>[ 48.929410] lkdtm: Performing direct entry UNSET_SMEP <6>[ 48.937695] lkdtm: trying to clear SMEP normally <4>[ 48.943212] ------------[ cut here ]------------ <4>[ 48.948712] pinned CR4 bits changed: 0x100000!? 48 c7 c7 18 32 98 a1 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e<4>[ 48.954123] WARNING: CPU: 2 PID: 1047 at arch/x86/kernel/cpu/common.c:397 native_write_cr4+0x45/0x60 8 b1 de fb ff 48 c7 c7 58 32 98 a1 <8a> 83 00 40 00 00 88 44 24 <4>[ 48.970875] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 49.017334] CPU: 2 PID: 1047 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 49.026315] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 49.033252] RIP: 0010:native_write_cr4+0x45/0x60 <4>[ 49.038744] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d b8 5e 66 02 00 75 f2 48 c7 c7 b0 05 88 a1 c6 05 a8 5e 66 02 01 e8 75 55 15 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 <4>[ 49.060098] RSP: 0018:ffffac8041817e48 EFLAGS: 00010286 <4>[ 49.066268] RAX: 0000000000000000 RBX: 00000000002506e0 RCX: 0000000000000000 <4>[ 49.074576] RDX: ffff8df53bd2c620 RSI: ffff8df53bd1bf50 RDI: ffff8df53bd1bf50 <4>[ 49.082875] RBP: ffffffffa198293d R08: 0000000000000000 R09: 0000000000000000 <4>[ 49.091168] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b <4>[ 49.099461] R13: ffffac8041817f10 R14: ffffac8041817f10 R15: ffff8df4c5a29000 <4>[ 49.107766] FS: 00007ff4c9195580(0000) GS:ffff8df53bd00000(0000) knlGS:0000000000000000 <4>[ 49.117140] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 49.123892] CR2: 00007ff4c8f9f000 CR3: 00000001059ec000 CR4: 00000000003506e0 <4>[ 49.132196] Call Trace: <4>[ 49.135269] ? __warn+0x80/0x110 <4>[ 49.139193] ? native_write_cr4+0x45/0x60 <4>[ 49.143998] ? report_bug+0x9e/0xc0 <4>[ 49.148231] ? handle_bug+0x41/0x90 <4>[ 49.152451] ? exc_invalid_op+0x14/0x70 <4>[ 49.157063] ? asm_exc_invalid_op+0x12/0x20 <4>[ 49.162068] ? native_write_cr4+0x45/0x60 <4>[ 49.166880] ? native_write_cr4+0x45/0x60 <4>[ 49.171686] lkdtm_UNSET_SMEP.cold+0x1d/0x103 <4>[ 49.176889] direct_entry.cold+0x2c/0x38 <4>[ 49.181608] full_proxy_write+0x56/0x80 <4>[ 49.186229] vfs_write+0xea/0x3b0 <4>[ 49.190270] ksys_write+0x68/0xf0 <4>[ 49.194307] do_syscall_64+0x33/0x40 <4>[ 49.198629] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 49.204608] RIP: 0033:0x7ff4c90ab473 <4>[ 49.208930] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 49.230285] RSP: 002b:00007ffc7c1bd8a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 07 0f b6 74 24 07 5a 5b e9 94 de fb ff # [ 48.371579] RSP: 00<4>[ 49.239076] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007ff4c90ab473 18:ffffac80417a7e50 EFLAGS: 00010246 # [ 48.377727] RAX: 0000<4>[ 49.253603] RDX: 000000000000000b RSI: 00007ff4c8f9f000 RDI: 0000000000000001 <4>[ 49.268137] RBP: 00007ff4c8f9f000 R08: 00007ff4c8f9e010 R09: 0000000000000000 <4>[ 49.276441] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 49.284751] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 49.293068] irq event stamp: 0 <4>[ 49.296798] hardirqs last enabled at (0): [<0000000000000000>] 0x0 000000000038 RBX: ffffac80417a4000 RCX: 0000000000000000 # [ <4>[ 49.304176] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 49.319924] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 49.329400] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 49.336739] ---[ end trace 68c4bcfb3b2027c8 ]--- <6>[ 49.342230] lkdtm: ok: SMEP did not get cleared <6>[ 49.347618] lkdtm: trying to clear SMEP with call gadget <6>[ 49.353885] lkdtm: ok: SMEP removal was reverted 48.386023] RDX: 0000000000000000 RSI: ffff8df53bd9bf50 RDI: ffffffffa1983258 # [ 48.394312] RBP: ffffffffa1982923 R08: 0000000000000000 R09: 0000000000000000 # [ 48.402608] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 48.410894] R13: ffffac80417a7f10 R14: ffffac80417a7f10 R15: ffff8df4c63e7000 # [ 48.419187] FS: 00007fd7b0d02580(0000) GS:ffff8df53bd80000(0000) knlGS:0000000000000000 # [ 48.428551] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.435283] CR2: ffffac80417a8000 CR3: 0000000106376000 CR4: 00000000003506e0 # [ 48.443581] Call Trace: # [ 48.446619] <#DF> # [ 48.449173] ? __die_body.cold+0x1a/0x1f # [ 48.453868] ? die+0x2b/0x50 # [ 48.457394] ? handle_stack_overflow+0x3e/0x4d # [ 48.462676] ? no_context+0x24d/0x380 # [ 48.467073] # [ 48.469718] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 48.509955] ---[ end trace 68c4bcfb3b2027c7 ]--- # [ 48.515432] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 48.520122] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03 # [ 48.541469] RSP: 0018:ffffac80411f7e60 EFLAGS: 00010282 # [ 48.547611] RAX: ffffffffa037bd40 RBX: 0000000000000001 RCX: 0000000000000000 # [ 48.555904] RDX: 0000000000000000 RSI: ffff8df53bd9bf50 RDI: ffffffffa14f84b0 # [ 48.564191] RBP: ffffffffa19e8c28 R08: 0000000000000001 R09: 0000000000000001 # [ 48.572488] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 48.580785] R13: ffffac80411f7f10 R14: ffffac80411f7f10 R15: ffff8df4c325d000 # [ 48.589078] FS: 00007fd7b0d02580(0000) GS:ffff8df53bd80000(0000) knlGS:0000000000000000 # [ 48.598448] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.605182] CR2: ffffac80417a8000 CR3: 0000000106376000 CR4: 00000000003506e0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 48.929410] lkdtm: Performing direct entry UNSET_SMEP # [ 48.937695] lkdtm: trying to clear SMEP normally # [ 48.943212] ------------[ cut here ]------------ # [ 48.948712] pinned CR4 bits changed: 0x100000!? # [ 48.954123] WARNING: <6>[ 49.617864] lkdtm: Performing direct entry DOUBLE_FAULT <3>[ 49.627412] lkdtm: XFAIL: this test is ia32-only CPU: 2 PID: 1047 at arch/x86/kernel/cpu/common.c:397 native_write_cr4+0x45/0x60 # [ 48.970875] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 49.017334] CPU: 2 PID: 1047 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 49.026315] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 49.033252] RIP: 0010:native_write_cr4+0x45/0x60 # [ 49.038744] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d b8 5e 66 02 00 75 f2 48 c7 c7 b0 05 88 a1 c6 05 a8 5e 66 02 01 e8 75 55 15 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 49.060098] RSP: 0018:ffffac8041817e48 EFLAGS: 00010286 # [ 49.066268] RAX: 0000000000000000 RBX: 00000000002506e0 RCX: 0000000000000000 # [ 49.074576] RDX: ffff8df53bd2c620 RSI: ffff8df53bd1bf50 RDI: ffff8df53bd1bf50 # [ 49.082875] RBP: ffffffffa198293d R08: 0000000000000000 R09: 0000000000000000 # [ 49.091168] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 49.099461] R13: ffffac8041817f10 R14: ffffac8041817f10 R15: ffff8df4c5a29000 # [ 49.107766] FS: 00007ff4c9195580(0000) GS:ffff8df53bd00000(0000) knlGS:0000000000000000 # [ 49.117140] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.123892] CR2: 00007ff4c8f9f000 CR3: 00000001059ec000 CR4: 00000000003506e0 # [ 49.132196] Call Trace: # [ 49.135269] ? __warn+0x80/0x110 # [ 49.139193] ? native_write_cr4+0x45/0x60 # [ 49.143998] ? report_bug+0x9e/0xc0 # [ 49.148231] ? handle_bug+0x41/0x90 # [ 49.152451] ? exc_invalid_op+0x14/0x70 # [ 49.157063] ? asm_exc_invalid_op+0x12/0x20 # [ 49.162068] ? native_write_cr4+0x45/0x60 # [ 49.166880] ? native_write_cr4+0x45/0x60 # [ 49.171686] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 49.176889] direct_entry.cold+0x2c/0x38 # [ 49.181608] full_proxy_write+0x56/0x80 # [ 49.186229] vfs_write+0xea/0x3b0 # [ 49.190270] ksys_write+0x68/0xf0 # [ 49.194307] do_syscall_64+0x33/0x40 # [ 49.198629] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 49.204608] RIP: 0033:0x7ff4c90ab473 # [ 49.208930] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.230285] RSP: 002b:00007ffc7c1bd8a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.239076] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007ff4c90ab473 # [ 49.253603] RDX: 000000000000000b RSI: 00007ff4c8f9f000 RDI: 0000<6>[ 49.909614] lkdtm: Performing direct entry CORRUPT_PAC 000000000001 # [ 49.268137] RBP: 00007ff4c8f9f000 R08: 00007f<3>[ 49.919870] lkdtm: XFAIL: this test is arm64-only f4c8f9e010 R09: 0000000000000000 # [ 49.276441] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.284751] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.293068] irq event stamp: 0 # [ 49.296798] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.304176] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 49.319924] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 49.329400] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.336739] ---[ end trace 68c4bcfb3b2027c8 ]--- # [ 49.342230] lkdtm: ok: SMEP did not get cleared # [ 49.347618] lkdtm: trying to clear SMEP with call gadget # [ 49.353885] lkdtm: ok: SMEP removal was reverted # UNSET_SMEP: saw 'pinned CR4 bits changed:': ok ok 14 selftests: lkdtm: UNSET_SMEP.sh # selftests: lkdtm: DOUBLE_FAULT.sh # [ 49.617864] lkdtm: Performing direct entry DOUBLE_FAULT # [ 49.627412] lkdtm: XFAIL: this test is ia32-only # DOUBLE_FAULT: saw 'XFAIL': [SKIP] ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP # selftests: lkdtm: CORRUPT_PAC.sh # [ 49.909614] lkdtm: Performing direct entry CORRUPT_PAC # [ 49.919870] lkdtm: XFAIL: this test is arm64-only # CORRUPT_PAC: saw 'XFAIL': [SKIP] ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh <6>[ 50.185360] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE <3>[ 50.192922] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # [ 50.185360] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 50.192922] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP] ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP # selftests: lkdtm: OVERWRITE_ALLOCATION.sh # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP # selftests: lkdtm: WRITE_AFTER_FREE.sh # Skipping WRITE_AFTER_FREE: Corrupts memory on failure ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_AFTER_FREE.sh <6>[ 50.728856] lkdtm: Performing direct entry READ_AFTER_FREE <6>[ 50.735343] lkdtm: Value in memory before free: 12345678 <6>[ 50.741620] lkdtm: Attempting bad read from freed memory <6>[ 50.747895] lkdtm: Memory was not poisoned # [ 50.728856] lkdtm: Performing direct entry READ_AFTER_FREE # [ 50.735343] lkdtm: Value in memory before free: 12345678 # [ 50.741620] lkdtm: Attempting bad read from freed memory # [ 50.747895] lkdtm: Memory was not poisoned # READ_AFTER_FREE: missing 'call trace:': [FAIL] not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1 # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh <6>[ 51.148370] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE <6>[ 51.155434] lkdtm: Value in memory before free: 12345678 <6>[ 51.161706] lkdtm: Attempting to read from freed memory <6>[ 51.167867] lkdtm: Buddy page was not poisoned # [ 51.148370] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 51.155434] lkdtm: Value in memory before free: 12345678 # [ 51.161706] lkdtm: Attempting to read from freed memory # [ 51.167867] lkdtm: Buddy page was not poisoned # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL] not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_DOUBLE.sh <6>[ 51.439716] lkdtm: Performing direct entry SLAB_FREE_DOUBLE <6>[ 51.446321] lkdtm: Attempting double slab free ... # [ 51.439716] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 51.446321] lkdtm: Attempting double slab free ... # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL] not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_CROSS.sh <6>[ 51.718374] lkdtm: Performing direct entry SLAB_FREE_CROSS <6>[ 51.724884] lkdtm: Attempting cross-cache slab free ... # [ 51.718374] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 51.724884] lkdtm: Attempting cross-cache slab free ... # SLAB_FREE_CROSS: missing 'call trace:': [FAIL] not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1 # selftests: lkdtm: SLAB_FREE_PAGE.sh <6>[ 52.013344] lkdtm: Performing direct entry SLAB_FREE_PAGE <6>[ 52.019738] lkdtm: Attempting non-Slab slab free ... # [ 52.013344] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 52.019738] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests: lkdtm: SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the system ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Skipping HARDLOCKUP: Hangs the system ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPINLOCKUP: Hangs the system ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP # selftests: lkdtm: HUNG_TASK.sh # Skipping HUNG_TASK: Hangs the system ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP # selftests: lkdtm: EXEC_DATA.sh <6>[ 52.825624] lkdtm: Performing direct entry EXEC_DATA <6>[ 52.831530] lkdtm: attempting ok execution at ffffffffa037c110 <6>[ 52.838389] lkdtm: attempting bad execution at ffffffffa3433d40 <2>[ 52.845368] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 52.854052] BUG: unable to handle page fault for address: ffffffffa3433d40 <1>[ 52.862053] #PF: supervisor instruction fetch in kernel mode <1>[ 52.868694] #PF: error_code(0x0011) - permissions violation <6>[ 52.875237] PGD 133629067 P4D 133629067 PUD 13362a063 PMD 8000000134e000e3 <4>[ 52.883355] Oops: 0011 [#5] SMP PTI <4>[ 52.887563] CPU: 3 PID: 1570 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 52.896544] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 52.903484] RIP: 0010:data_area+0x0/0x40 <4>[ 52.908179] Code: ff ff 00 06 9c c0 f4 8d ff ff 00 05 9c c0 f4 8d ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 <4>[ 52.929541] RSP: 0018:ffffac8041f8fe48 EFLAGS: 00010246 <4>[ 52.935698] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 52.943998] RDX: 0000000000000000 RSI: ffff8df53bd9bf50 RDI: ffff8df53bd9bf50 <4>[ 52.952295] RBP: ffffffffa3433d40 R08: 0000000000000000 R09: 0000000000000000 <4>[ 52.960591] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 52.968889] R13: ffffac8041f8ff10 R14: ffffac8041f8ff10 R15: ffff8df4c3c35000 <4>[ 52.977185] FS: 00007f8f759b9580(0000) GS:ffff8df53bd80000(0000) knlGS:0000000000000000 <4>[ 52.986550] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 52.993288] CR2: ffffffffa3433d40 CR3: 0000000105b0c000 CR4: 00000000003506e0 <4>[ 53.001584] Call Trace: <4>[ 53.004633] ? __die_body.cold+0x1a/0x1f <4>[ 53.009333] ? no_context+0x177/0x380 <4>[ 53.013742] ? exc_page_fault+0xd7/0x170 <4>[ 53.018431] ? asm_exc_page_fault+0x1e/0x30 <4>[ 53.023426] ? execute_location+0x48/0x56 <4>[ 53.028217] ? direct_entry.cold+0x2c/0x38 <4>[ 53.033107] ? full_proxy_write+0x56/0x80 <4>[ 53.037898] ? vfs_write+0xea/0x3b0 <4>[ 53.042106] ? ksys_write+0x68/0xf0 <4>[ 53.046316] ? do_syscall_64+0x33/0x40 <4>[ 53.050815] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 53.056977] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 53.097230] CR2: ffffffffa3433d40 <4>[ 53.101236] ---[ end trace 68c4bcfb3b2027c9 ]--- <4>[ 53.106713] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 53.111408] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03 <4>[ 53.132764] RSP: 0018:ffffac80411f7e60 EFLAGS: 00010282 <4>[ 53.138911] RAX: ffffffffa037bd40 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 53.147209] RDX: 0000000000000000 RSI: ffff8df53bd9bf50 RDI: ffffffffa14f84b0 <4>[ 53.155506] RBP: ffffffffa19e8c28 R08: 0000000000000001 R09: 0000000000000001 <4>[ 53.163801] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 53.172101] R13: ffffac80411f7f10 R14: ffffac80411f7f10 R15: ffff8df4c325d000 <4>[ 53.180399] FS: 00007f8f759b9580(0000) GS:ffff8df53bd80000(0000) knlGS:0000000000000000 <4>[ 53.189772] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 53.196510] CR2: ffffffffa3433d40 CR3: 0000000105b0c000 CR4: 00000000003506e0 <3>[ 53.204812] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 53.215061] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1570, name: cat <4>[ 53.223845] INFO: lockdep is turned off. <4>[ 53.228535] irq event stamp: 0 <4>[ 53.232254] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 53.239569] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 53.249035] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 53.258496] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 53.265821] CPU: 3 PID: 1570 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 53.274793] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 53.281721] Call Trace: <4>[ 53.284760] dump_stack+0x77/0x9b <4>[ 53.288772] ___might_sleep.cold+0xa6/0xb6 <4>[ 53.293659] exit_signals+0x1c/0x300 <4>[ 53.297957] do_exit+0xc2/0xab0 <4>[ 53.301776] ? ksys_write+0x68/0xf0 <4>[ 53.305983] make_task_dead+0x2f/0x30 <4>[ 53.310385] rewind_stack_and_make_dead+0x17/0x20 <4>[ 53.315947] RIP: 0033:0x7f8f758cf473 <4>[ 53.320252] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 53.341616] RSP: 002b:00007ffd7a69ca98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 53.350393] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f8f758cf473 <4>[ 53.358679] RDX: 000000000000000a RSI: 00007f8f757c3000 RDI: 0000000000000001 <4>[ 53.366973] RBP: 00007f8f757c3000 R08: 00007f8f757c2010 R09: 0000000000000000 <4>[ 53.375266] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 53.383558] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # Killed # [ 52.825624] lkdtm: Performing direct entry EXEC_DATA # [ 52.831530] lkdtm: attempting ok execution at ffffffffa037c110 # [ 52.838389] lkdtm: attempting bad execution at ffffffffa3433d40 # [ 52.845368] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 52.854052] BUG: unable to handle page fault for address: ffffffffa3433d40 # [ 52.862053] #PF: supervisor instruction fetch in kernel mode # [ 52.868694] #PF: error_code(0x0011) - permissions violation # [ 52.875237] PGD 133629067 P4D 133629067 PUD 13362a063 PMD 8000000134e000e3 # [ 52.883355] Oops: 0011 [#5] SMP PTI # [ 52.887563] CPU: 3 PID: 1570 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 52.896544] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 52.903484] RIP: 0010:data_area+0x0/0x40 # [ 52.908179] Code: ff ff 00 06 9c c0 f4 8d ff ff 00 05 9c c0 f4 8d ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 52.929541] RSP: 0018:ffffac8041f8fe48 EFLAGS: 00010246 # [ 52.935698] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 52.943998] RDX: 0000000000000000 RSI: ffff8df53bd9bf50 RDI: ffff8df53bd9bf50 # [ 52.952295] RBP: ffffffffa3433d40 R08: 0000000000000000 R09: 0000000000000000 # [ 52.960591] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 52.968889] R13: ffffac8041f8ff10 R14: ffffac8041f8ff10 R15: ffff8df4c3c35000 # [ 52.977185] FS: 00007f8f759b9580(0000) GS:ffff8df53bd80000(0000) knlGS:0000000000000000 # [ 52.986550] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.993288] CR2: ffffffffa3433d40 CR3: 0000000105b0c000 CR4: 00000000003506e0 # [ 53.001584] Call Trace: # [ 53.004633] ? __die_body.cold+0x1a/0x1f # [ 53.009333] ? no_context+0x177/0x380 # [ 53.013742] ? exc_page_fault+0xd7/0x170 # [ 53.018431] ? asm_exc_page_fault+0x1e/0x30 # [ 53.023426] ? execute_location+0x48/0x56 # [ 53.028217] ? direct_entry.cold+0x2c/0x38 # [ 53.033107] ? full_proxy_write+0x56/0x80 # [ 53.037898] ? vfs_write+0xea/0x3b0 # [ 53.042106] ? ksys_write+0x68/0xf0 # [ 53.046316] ? do_syscall_64+0x33/0x40 # [ 53.050815] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 53.056977] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 53.097230] CR2: ffffffffa3433d40 # [ 53.101236] ---[ end trace 68c4bcfb3b2027c9 ]--- # [ 53.106713] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 53.111408] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03 # [ 53.132764] R<6>[ 53.749397] lkdtm: Performing direct entry EXEC_STACK <6>[ 53.760174] lkdtm: attempting ok execution at ffffffffa037c110 <6>[ 53.767047] lkdtm: attempting bad execution at ffffac8042027e18 <2>[ 53.774019] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 53.782710] BUG: unable to handle page fault for address: ffffac8042027e18 <1>[ 53.790715] #PF: supervisor instruction fetch in kernel mode <1>[ 53.797355] #PF: error_code(0x0011) - permissions violation <6>[ 53.803897] PGD 100000067 P4D 100000067 PUD 100248067 PMD 1060bb067 PTE 80000001060a6063 <4>[ 53.813283] Oops: 0011 [#6] SMP PTI <4>[ 53.817492] CPU: 1 PID: 1607 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 53.826477] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 53.833413] RIP: 0010:0xffffac8042027e18 <4>[ 53.838109] Code: 00 00 18 7e 02 42 80 ac ff ff 31 f6 a5 a0 ff ff ff ff 20 00 00 00 00 00 00 00 66 2a 98 a1 ff ff ff ff 5d f7 a5 a0 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 <4>[ 53.859470] RSP: 0018:ffffac8042027df8 EFLAGS: 00010246 <4>[ 53.865614] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 53.873912] RDX: 0000000000000000 RSI: ffff8df53bc9bf50 RDI: ffff8df53bc9bf50 <4>[ 53.882209] RBP: ffffac8042027e18 R08: 0000000000000000 R09: 0000000000000000 <4>[ 53.890507] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b <4>[ 53.898804] R13: ffffac8042027f10 R14: ffffac8042027f10 R15: ffff8df4c6673000 <4>[ 53.907102] FS: 00007f2084b75580(0000) GS:ffff8df53bc80000(0000) knlGS:0000000000000000 <4>[ 53.916472] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 53.923206] CR2: ffffac8042027e18 CR3: 0000000103a8a000 CR4: 00000000003506e0 <4>[ 53.931499] Call Trace: <4>[ 53.934549] ? __die_body.cold+0x1a/0x1f <4>[ 53.939246] ? no_context+0x177/0x380 <4>[ 53.943653] ? exc_page_fault+0xd7/0x170 <4>[ 53.948346] ? asm_exc_page_fault+0x1e/0x30 <4>[ 53.953339] ? execute_location+0x48/0x56 <4>[ 53.958130] ? lkdtm_EXEC_STACK+0x26/0x44 <4>[ 53.962923] ? direct_entry.cold+0x2c/0x38 <4>[ 53.967815] ? full_proxy_write+0x56/0x80 <4>[ 53.972607] ? vfs_write+0xea/0x3b0 <4>[ 53.976813] ? ksys_write+0x68/0xf0 <4>[ 53.981011] ? do_syscall_64+0x33/0x40 <4>[ 53.985506] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 SP: 0018:ffffac80411f7e60 EFLAGS: 00010282 # [ 53.138911] RAX<4>[ 53.991668] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 54.038143] CR2: ffffac8042027e18 <4>[ 54.042157] ---[ end trace 68c4bcfb3b2027ca ]--- <4>[ 54.047635] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 54.052327] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03 <4>[ 54.073692] RSP: 0018:ffffac80411f7e60 EFLAGS: 00010282 <4>[ 54.079846] RAX: ffffffffa037bd40 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 54.088145] RDX: 0000000000000000 RSI: ffff8df53bd9bf50 RDI: ffffffffa14f84b0 <4>[ 54.096445] RBP: ffffffffa19e8c28 R08: 0000000000000001 R09: 0000000000000001 <4>[ 54.104742] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 54.113038] R13: ffffac80411f7f10 R14: ffffac80411f7f10 R15: ffff8df4c325d000 <4>[ 54.121336] FS: 00007f2084b75580(0000) GS:ffff8df53bc80000(0000) knlGS:0000000000000000 <4>[ 54.130704] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 54.137443] CR2: ffffac8042027e18 CR3: 0000000103a8a000 CR4: 00000000003506e0 : ffffffffa037bd40 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.147209] RDX: 0000000000000000 RSI: ffff8df53bd9bf50 RDI: ffffffffa14f84b0 # [ 53.155506] RBP: ffffffffa19e8c28 R08: 0000000000000001 R09: 0000000000000001 # [ 53.163801] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 53.172101] R13: ffffac80411f7f10 R14: ffffac80411f7f10 R15: ffff8df4c325d000 # [ 53.180399] FS: 00007f8f759b9580(0000) GS:ffff8df53bd80000(0000) knlGS:0000000000000000 # [ 53.189772] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.196510] CR2: ffffffffa3433d40 CR3: 0000000105b0c000 CR4: 00000000003506e0 # [ 53.204812] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 53.215061] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1570, name: cat # [ 53.223845] INFO: lockdep is turned off. # [ 53.228535] irq event stamp: 0 # [ 53.232254] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.239569] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 53.249035] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 53.258496] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.265821] CPU: 3 PID: 1570 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 53.274793] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 53.281721] Call Trace: # [ 53.284760] dump_stack+0x77/0x9b # [ 53.288772] ___might_sleep.cold+0xa6/0xb6 # [ 53.293659] exit_signals+0x1c/0x300 # [ 53.297957] do_exit+0xc2/0xab0 # [ 53.301776] ? ksys_write+0x68/0xf0 # [ 53.305983] make_task_dead+0x2f/0x30 # [ 53.310385] rewind_stack_and_make_dead+0x17/0x20 # [ 53.315947] RIP: 0033:0x7f8f758cf473 # [ 53.320252] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 53.341616] RSP: 002b:00007ffd7a69ca98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.350393] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f8f758cf473 # [ 53.358679] RDX: 000000000000000a RSI: 00007f8f757c3000 RDI: 0000000000000001 # [ 53.366973] RBP: 00007f8f757c3000 R08: 00007f8f757c2010 R09: 0000000000000000 # [ 53.375266] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 53.383558] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_DATA: saw 'call trace:': ok ok 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh # Killed # [ 53.749397] lkdtm: Performing direct entry EXEC_STACK # [ 53.760174] lkdtm: attempting ok execution at ffffffffa037c110 # [ 53.767047] lkdtm: attempting bad execution at ffffac8042027e18 # [ 53.774019] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 53.782710] BUG: unable to handle page fault for address: ffffac8042027e18 # [ 53.790715] #PF: supervisor instruction fetch in kernel mode # [ 53.797355] #PF: error_code(0x0011) - permissions violation # [ 53.803897] PGD 100000067 P4D 10000006<6>[ 54.452910] lkdtm: Performing direct entry EXEC_KMALLOC <6>[ 54.463933] lkdtm: attempting ok execution at ffffffffa037c110 <6>[ 54.470807] lkdtm: attempting bad execution at ffff8df4c451a3c0 <2>[ 54.477778] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 54.486465] BUG: unable to handle page fault for address: ffff8df4c451a3c0 <1>[ 54.494472] #PF: supervisor instruction fetch in kernel mode <1>[ 54.501111] #PF: error_code(0x0011) - permissions violation <6>[ 54.507655] PGD 135001067 P4D 135001067 PUD 10024b063 PMD 104abe063 PTE 800000010451a063 <4>[ 54.517042] Oops: 0011 [#7] SMP PTI <4>[ 54.521249] CPU: 2 PID: 1644 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 54.530226] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 54.537164] RIP: 0010:0xffff8df4c451a3c0 <4>[ 54.541848] Code: ad de 80 6a 1d b2 e2 2c 4c a0 8f 91 34 c5 d3 e1 54 bf 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 <4>[ 54.563206] RSP: 0018:ffffac80420cfe38 EFLAGS: 00010246 <4>[ 54.569362] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 54.577658] RDX: 0000000000000000 RSI: ffff8df53bd1bf50 RDI: ffff8df53bd1bf50 <4>[ 54.585954] RBP: ffff8df4c451a3c0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 54.594253] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 54.602548] R13: ffffac80420cff10 R14: ffffac80420cff10 R15: ffff8df4c0fd3000 <4>[ 54.610846] FS: 00007fb3d6bcc580(0000) GS:ffff8df53bd00000(0000) knlGS:0000000000000000 <4>[ 54.620214] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 54.626953] CR2: ffff8df4c451a3c0 CR3: 000000010638e000 CR4: 00000000003506e0 <4>[ 54.635247] Call Trace: <4>[ 54.638300] ? __die_body.cold+0x1a/0x1f <4>[ 54.643002] ? no_context+0x177/0x380 <4>[ 54.647407] ? exc_page_fault+0xd7/0x170 <4>[ 54.652104] ? asm_exc_page_fault+0x1e/0x30 <4>[ 54.657102] ? execute_location+0x48/0x56 <4>[ 54.661896] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 <4>[ 54.666882] ? direct_entry.cold+0x2c/0x38 <4>[ 54.671774] ? full_proxy_write+0x56/0x80 <4>[ 54.676567] ? vfs_write+0xea/0x3b0 <4>[ 54.680765] ? ksys_write+0x68/0xf0 <4>[ 54.684974] ? do_syscall_64+0x33/0x40 <4>[ 54.689473] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 7 PUD 100248067 PMD 1060bb067 PTE 80000001060a6063 # [ 53.813<4>[ 54.695625] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 54.742113] CR2: ffff8df4c451a3c0 <4>[ 54.746126] ---[ end trace 68c4bcfb3b2027cb ]--- <4>[ 54.751597] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 54.756289] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03 <4>[ 54.777643] RSP: 0018:ffffac80411f7e60 EFLAGS: 00010282 <4>[ 54.783792] RAX: ffffffffa037bd40 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 54.792083] RDX: 0000000000000000 RSI: ffff8df53bd9bf50 RDI: ffffffffa14f84b0 <4>[ 54.800379] RBP: ffffffffa19e8c28 R08: 0000000000000001 R09: 0000000000000001 <4>[ 54.808674] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 54.816973] R13: ffffac80411f7f10 R14: ffffac80411f7f10 R15: ffff8df4c325d000 <4>[ 54.825270] FS: 00007fb3d6bcc580(0000) GS:ffff8df53bd00000(0000) knlGS:0000000000000000 <4>[ 54.834639] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 54.841376] CR2: ffff8df4c451a3c0 CR3: 000000010638e000 CR4: 00000000003506e0 <3>[ 54.849677] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 54.859922] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1644, name: cat <4>[ 54.868708] INFO: lockdep is turned off. <4>[ 54.873399] irq event stamp: 0 <4>[ 54.877110] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 54.884433] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 54.893903] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 54.903371] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 54.910694] CPU: 2 PID: 1644 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 54.919672] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 54.926603] Call Trace: <4>[ 54.929645] dump_stack+0x77/0x9b <4>[ 54.933660] ___might_sleep.cold+0xa6/0xb6 <4>[ 54.938552] exit_signals+0x1c/0x300 <4>[ 54.942856] do_exit+0xc2/0xab0 <4>[ 54.946673] ? ksys_write+0x68/0xf0 <4>[ 54.950882] make_task_dead+0x2f/0x30 <4>[ 54.955285] rewind_stack_and_make_dead+0x17/0x20 <4>[ 54.960854] RIP: 0033:0x7fb3d6ae2473 <4>[ 54.965154] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 54.986514] RSP: 002b:00007ffdff4dc448 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 54.995303] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007fb3d6ae2473 <4>[ 55.003600] RDX: 000000000000000d RSI: 00007fb3d69d6000 RDI: 0000000000000001 <4>[ 55.011896] RBP: 00007fb3d69d6000 R08: 00007fb3d69d5010 R09: 0000000000000000 <4>[ 55.020194] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 55.028489] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 283] Oops: 0011 [#6] SMP PTI # [ 53.817492] CPU: 1 PID: 1607 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 53.826477] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 53.833413] RIP: 0010:0xffffac8042027e18 # [ 53.838109] Code: 00 00 18 7e 02 42 80 ac ff ff 31 f6 a5 a0 ff ff ff ff 20 00 00 00 00 00 00 00 66 2a 98 a1 ff ff ff ff 5d f7 a5 a0 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 53.859470] RSP: 0018:ffffac8042027df8 EFLAGS: 00010246 # [ 53.865614] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.873912] RDX: 0000000000000000 RSI: ffff8df53bc9bf50 RDI: ffff8df53bc9bf50 # [ 53.882209] RBP: ffffac8042027e18 R08: 0000000000000000 R09: 0000000000000000 # [ 53.890507] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 53.898804] R13: ffffac8042027f10 R14: ffffac8042027f10 R15: ffff8df4c6673000 # [ 53.907102] FS: 00007f2084b75580(0000) GS:ffff8df53bc80000(0000) knlGS:0000000000000000 # [ 53.916472] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.923206] CR2: ffffac8042027e18 CR3: 0000000103a8a000 CR4: 00000000003506e0 # [ 53.931499] Call Trace: # [ 53.934549] ? __die_body.cold+0x1a/0x1f # [ 53.939246] ? no_context+0x177/0x380 # [ 53.943653] ? exc_page_fault+0xd7/0x170 # [ 53.948346] ? asm_exc_page_fault+0x1e/0x30 # [ 53.953339] ? execute_location+0x48/0x56 # [ 53.958130] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 53.962923] ? direct_entry.cold+0x2c/0x38 # [ 53.967815] ? full_proxy_write+0x56/0x80 # [ 53.972607] ? vfs_write+0xea/0x3b0 # [ 53.976813] ? ksys_write+0x68/0xf0 # [ 53.981011] ? do_syscall_64+0x33/0x40 # [ 53.985506] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 53.991668] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 54.038143] CR2: ffffac8042027e18 # [ 54.042157] ---[ end trace 68c4bcfb3b2027ca ]--- # [ 54.047635] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 54.052327] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03 # [ 54.073692] RSP: 0018:ffffac80411f7e60 EFLAGS: 00010282 # [ 54.079846] RAX: ffffffffa037bd40 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.088145] RDX: 0000000000000000 RSI: ffff8df53bd9bf50 RDI: ffffffffa14f84b0 # [ 54.096445] RBP: ffffffffa19e8c28 R08: 0000000000000001 R09: 0000000000000001 # [ 54.104742] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 54.113038] R13: ffffac80411f7f10 R14: ffffac80411f7f10 R15: ffff8df4c325d000 # [ 54.121336] FS: 00007f2084b75580(0000) GS:ffff8df53bc80000(0000) knlGS:0000000000000000 # [ 54.130704] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.137443] CR2: ffffac8042027e18 CR3: 0000000103a8a000 CR4: 00000000003506e0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 54.452910] lkdtm: Performing direct entr<6>[ 55.369808] lkdtm: Performing direct entry EXEC_VMALLOC <6>[ 55.380178] lkdtm: attempting ok execution at ffffffffa037c110 <6>[ 55.387048] lkdtm: attempting bad execution at ffffac80401d7000 y EXEC_KMALLOC # [ 54.463933] lkdtm: attempting ok execution <2>[ 55.394036] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 55.408920] BUG: unable to handle page fault for address: ffffac80401d7000 <1>[ 55.416925] #PF: supervisor instruction fetch in kernel mode <1>[ 55.423565] #PF: error_code(0x0011) - permissions violation at ffffffffa037c110 # [ 54.470807] lkdtm: attempting bad exec<6>[ 55.430108] PGD 100000067 P4D 100000067 PUD 100248067 PMD 100249067 PTE 8000000104c04063 <4>[ 55.445728] Oops: 0011 [#8] SMP PTI [ 55.449936] CPU: 2 PID: 1681 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 55.465059] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 55.471997] RIP: 0010:0xffffac80401d7000 <4>[ 55.476692] Code: Unable to access opcode bytes at RIP 0xffffac80401d6fd6. <4>[ 55.484700] RSP: 0018:ffffac8042147e38 EFLAGS: 00010246 <4>[ 55.490856] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 55.499156] RDX: 0000000000000000 RSI: ffff8df53bd1bf50 RDI: ffff8df53bd1bf50 <4>[ 55.507455] RBP: ffffac80401d7000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 55.515751] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 55.524050] R13: ffffac8042147f10 R14: ffffac8042147f10 R15: ffff8df4c4c04000 <4>[ 55.532351] FS: 00007ff2a8fd1580(0000) GS:ffff8df53bd00000(0000) knlGS:0000000000000000 <4>[ 55.541723] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 55.548463] CR2: ffffac80401d6fd6 CR3: 00000001060f6000 CR4: 00000000003506e0 <4>[ 55.556755] Call Trace: <4>[ 55.559805] ? __die_body.cold+0x1a/0x1f <4>[ 55.564503] ? no_context+0x177/0x380 <4>[ 55.568909] ? exc_page_fault+0xd7/0x170 <4>[ 55.573604] ? asm_exc_page_fault+0x1e/0x30 <4>[ 55.578602] ? execute_location+0x48/0x56 <4>[ 55.583395] ? lkdtm_EXEC_VMALLOC+0x20/0x30 <4>[ 55.588381] ? direct_entry.cold+0x2c/0x38 <4>[ 55.593273] ? full_proxy_write+0x56/0x80 <4>[ 55.598069] ? vfs_write+0xea/0x3b0 <4>[ 55.602277] ? ksys_write+0x68/0xf0 <4>[ 55.606487] ? do_syscall_64+0x33/0x40 <4>[ 55.610985] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 ute NX-protected page - exploit attempt? (uid: 0) # [ 54.4864<4>[ 55.617147] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 55.663636] CR2: ffffac80401d7000 <4>[ 55.667650] ---[ end trace 68c4bcfb3b2027cc ]--- <4>[ 55.673122] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 55.677817] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03 <4>[ 55.699175] RSP: 0018:ffffac80411f7e60 EFLAGS: 00010282 <4>[ 55.705327] RAX: ffffffffa037bd40 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 55.713623] RDX: 0000000000000000 RSI: ffff8df53bd9bf50 RDI: ffffffffa14f84b0 <4>[ 55.721918] RBP: ffffffffa19e8c28 R08: 0000000000000001 R09: 0000000000000001 <4>[ 55.730210] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 55.738501] R13: ffffac80411f7f10 R14: ffffac80411f7f10 R15: ffff8df4c325d000 <4>[ 55.746798] FS: 00007ff2a8fd1580(0000) GS:ffff8df53bd00000(0000) knlGS:0000000000000000 <4>[ 55.756168] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 55.762906] CR2: ffffac80401d6fd6 CR3: 00000001060f6000 CR4: 00000000003506e0 65] BUG: unable to handle page fault for address: ffff8df4c451a3c0 # [ 54.494472] #PF: supervisor instruction fetch in kernel mode # [ 54.501111] #PF: error_code(0x0011) - permissions violation # [ 54.507655] PGD 135001067 P4D 135001067 PUD 10024b063 PMD 104abe063 PTE 800000010451a063 # [ 54.517042] Oops: 0011 [#7] SMP PTI # [ 54.521249] CPU: 2 PID: 1644 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 54.530226] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 54.537164] RIP: 0010:0xffff8df4c451a3c0 # [ 54.541848] Code: ad de 80 6a 1d b2 e2 2c 4c a0 8f 91 34 c5 d3 e1 54 bf 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 54.563206] RSP: 0018:ffffac80420cfe38 EFLAGS: 00010246 # [ 54.569362] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.577658] RDX: 0000000000000000 RSI: ffff8df53bd1bf50 RDI: ffff8df53bd1bf50 # [ 54.585954] RBP: ffff8df4c451a3c0 R08: 0000000000000000 R09: 0000000000000000 # [ 54.594253] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 54.602548] R13: ffffac80420cff10 R14: ffffac80420cff10 R15: ffff8df4c0fd3000 # [ 54.610846] FS: 00007fb3d6bcc580(0000) GS:ffff8df53bd00000(0000) knlGS:0000000000000000 # [ 54.620214] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.626953] CR2: ffff8df4c451a3c0 CR3: 000000010638e000 CR4: 00000000003506e0 # [ 54.635247] Call Trace: # [ 54.638300] ? __die_body.cold+0x1a/0x1f # [ 54.643002] ? no_context+0x177/0x380 # [ 54.647407] ? exc_page_fault+0xd7/0x170 # [ 54.652104] ? asm_exc_page_fault+0x1e/0x30 # [ 54.657102] ? execute_location+0x48/0x56 # [ 54.661896] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 54.666882] ? direct_entry.cold+0x2c/0x38 # [ 54.671774] ? full_proxy_write+0x56/0x80 # [ 54.676567] ? vfs_write+0xea/0x3b0 # [ 54.680765] ? ksys_write+0x68/0xf0 # [ 54.684974] ? do_syscall_64+0x33/0x40 # [ 54.689473] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 54.695625] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 54.742113] CR2: ffff8df4c451a3c0 # [ 54.746126] ---[ end trace 68c4bcfb3b2027cb ]--- # [ 54.751597] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 54.756289] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03 # [ 54.777643] RSP: 0018:ffffac80411f7e60 EFLAGS: 00010282 # [ 54.783792] RAX: ffffffffa037bd40 RBX: 0000000000000001 RCX: 000000000000<6>[ 56.059552] lkdtm: Performing direct entry EXEC_RODATA 0000 # [ 54.792083] RDX: 0000000000000000 RSI: ffff8df53bd9bf<6>[ 56.070635] lkdtm: attempting ok execution at ffffffffa037c110 <6>[ 56.083734] lkdtm: attempting bad execution at ffffffffa14f8940 <520 RDI: ffffffffa14f84b0 # [ 54.800379] RBP: ffffffffa19e8c2>[ 56.090697] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 56.105533] BUG: unable to handle page fault for address: ffffffffa14f8940 <1>[ 56.113540] #PF: supervisor instruction fetch in kernel mode <1>[ 56.120182] #PF: error_code(0x0011) - permissions violation <6>[ 56.126725] PGD 133629067 P4D 133629067 PUD 13362a063 PMD 8000000132e001e1 <4>[ 56.134847] Oops: 0011 [#9] SMP PTI <4>[ 56.139055] CPU: 0 PID: 1718 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 56.148038] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 56.154979] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 <4>[ 56.161038] Code: ff ff cd 0b a6 a0 ff ff ff ff b2 2c 98 a1 ff ff ff ff 13 f3 a5 a0 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69 <4>[ 56.182398] RSP: 0018:ffffac80421d7e48 EFLAGS: 00010246 <4>[ 56.188555] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 56.196853] RDX: 0000000000000000 RSI: ffff8df53bc1bf50 RDI: ffff8df53bc1bf50 <4>[ 56.205150] RBP: ffffffffa14f8940 R08: 0000000000000000 R09: 0000000000000000 <4>[ 56.213447] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c <4>[ 56.221747] R13: ffffac80421d7f10 R14: ffffac80421d7f10 R15: ffff8df4c3c2c000 <4>[ 56.230050] FS: 00007f5b40565580(0000) GS:ffff8df53bc00000(0000) knlGS:0000000000000000 <4>[ 56.239409] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 56.246146] CR2: ffffffffa14f8940 CR3: 00000001059d2000 CR4: 00000000003506f0 <4>[ 56.254445] Call Trace: <4>[ 56.257494] ? __die_body.cold+0x1a/0x1f <4>[ 56.262194] ? no_context+0x177/0x380 <4>[ 56.266601] ? exc_page_fault+0xd7/0x170 <4>[ 56.271296] ? asm_exc_page_fault+0x1e/0x30 <4>[ 56.276295] ? execute_location+0x48/0x56 <4>[ 56.281085] ? direct_entry.cold+0x2c/0x38 <4>[ 56.285978] ? full_proxy_write+0x56/0x80 <4>[ 56.290773] ? vfs_write+0xea/0x3b0 <4>[ 56.294980] ? ksys_write+0x68/0xf0 <4>[ 56.299188] ? do_syscall_64+0x33/0x40 <4>[ 56.303684] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 R08: 0000000000000001 R09: 0000000000000001 # [ 54.808674] R<4>[ 56.309847] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 56.356292] CR2: ffffffffa14f8940 <4>[ 56.360304] ---[ end trace 68c4bcfb3b2027cd ]--- <4>[ 56.365781] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 56.370474] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03 <4>[ 56.391825] RSP: 0018:ffffac80411f7e60 EFLAGS: 00010282 <4>[ 56.397971] RAX: ffffffffa037bd40 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 56.406264] RDX: 0000000000000000 RSI: ffff8df53bd9bf50 RDI: ffffffffa14f84b0 <4>[ 56.414562] RBP: ffffffffa19e8c28 R08: 0000000000000001 R09: 0000000000000001 <4>[ 56.422858] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 56.431157] R13: ffffac80411f7f10 R14: ffffac80411f7f10 R15: ffff8df4c325d000 <4>[ 56.439455] FS: 00007f5b40565580(0000) GS:ffff8df53bc00000(0000) knlGS:0000000000000000 <4>[ 56.448824] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 56.455557] CR2: ffffffffa14f8940 CR3: 00000001059d2000 CR4: 00000000003506f0 <3>[ 56.463858] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 56.474098] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1718, name: cat <4>[ 56.482883] INFO: lockdep is turned off. <4>[ 56.487573] irq event stamp: 0 <4>[ 56.491290] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 56.498617] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 56.508076] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 56.517543] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 56.524869] CPU: 0 PID: 1718 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 56.533839] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 56.540770] Call Trace: <4>[ 56.543815] dump_stack+0x77/0x9b <4>[ 56.547830] ___might_sleep.cold+0xa6/0xb6 <4>[ 56.552725] exit_signals+0x1c/0x300 <4>[ 56.557029] do_exit+0xc2/0xab0 <4>[ 56.560847] ? ksys_write+0x68/0xf0 <4>[ 56.565057] make_task_dead+0x2f/0x30 <4>[ 56.569460] rewind_stack_and_make_dead+0x17/0x20 <4>[ 56.575029] RIP: 0033:0x7f5b4047b473 10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004<4>[ 56.579335] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 56.606913] RSP: 002b:00007ffe14af93e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 56.615696] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f5b4047b473 <4>[ 56.623987] RDX: 000000000000000c RSI: 00007f5b4036f000 RDI: 0000000000000001 <4>[ 56.632276] RBP: 00007f5b4036f000 R08: 00007f5b4036e010 R09: 0000000000000000 <4>[ 56.640565] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 56.648861] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 54.816973] R13: ffffac80411f7f10 R14: ffffac80411f7f10 R15: ffff8df4c325d000 # [ 54.825270] FS: 00007fb3d6bcc580(0000) GS:ffff8df53bd00000(0000) knlGS:0000000000000000 # [ 54.834639] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.841376] CR2: ffff8df4c451a3c0 CR3: 000000010638e000 CR4: 00000000003506e0 # [ 54.849677] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 54.859922] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1644, name: cat # [ 54.868708] INFO: lockdep is turned off. # [ 54.873399] irq event stamp: 0 # [ 54.877110] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.884433] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 54.893903] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 54.903371] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.910694] CPU: 2 PID: 1644 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 54.919672] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 54.926603] Call Trace: # [ 54.929645] dump_stack+0x77/0x9b # [ 54.933660] ___might_sleep.cold+0xa6/0xb6 # [ 54.938552] exit_signals+0x1c/0x300 # [ 54.942856] do_exit+0xc2/0xab0 # [ 54.946673] ? ksys_write+0x68/0xf0 # [ 54.950882] make_task_dead+0x2f/0x30 # [ 54.955285] rewind_stack_and_make_dead+0x17/0x20 # [ 54.960854] RIP: 0033:0x7fb3d6ae2473 # [ 54.965154] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 54.986514] RSP: 002b:00007ffdff4dc448 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.995303] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007fb3d6ae2473 # [ 55.003600] RDX: 000000000000000d RSI: 00007fb3d69d6000 RDI: 0000000000000001 # [ 55.011896] RBP: 00007fb3d69d6000 R08: 00007fb3d69d5010 R09: 0000000000000000 # [ 55.020194] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 55.028489] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 55.369808] lkdtm: Performing direct entry EXEC_VMALLOC # [ 55.380178] lkdtm: attempting ok execution at ffffffffa037c110 # [ 55.387048] lkdtm: attempting bad execution at ffffac80401d7000 # [ 55.394036] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 55.408920] BUG: unable to handle page fault for address: ffffac80401d7000 # [ 55.416925] #PF: supervisor instruction fetch in kernel mode # [ 55.423565] #PF: error_code(0x0011) - permissions violation # [ 55.430108] PGD 100000067 P4D 100000067 PUD 100248067 PMD 100249067 PTE 8000000104c04063 # [ 55.445728] Oops: 0011 [#8] SMP PTI # [ 55.449936] CPU: 2 PID: 1681 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 55.465059] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 55.471997] RIP: 0010:0xffffac80401d7000 # [ 55.476692] Code: Unable to access opcode bytes at RIP 0xffffac80401d6fd6. # [ 55.484700] RSP: 0018:ffffac8042147e38 EFLAGS: 00010246 # [ 55.490856] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.499156] RDX: 0000000000000000 RSI: ffff8df53bd1bf50 RDI: ffff8df53bd1bf50 # [ 55.507455] RBP: ffffac80401d7000 R08: 0000000000000000 R09: 0000000000000000 # [ 55.515751] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 55.524050] R13: ffffac8042147<6>[ 57.015630] lkdtm: Performing direct entry EXEC_USERSPACE <6>[ 57.025350] lkdtm: attempting ok execution at ffffffffa037c110 f10 R14: ffffac8042147f10 R15: ffff8df4c4c04000 # [ 55.532351<6>[ 57.032234] lkdtm: attempting bad execution at 00007fe16ca28000 ] FS: 00007ff2a8fd1580(0000) GS:ffff8df53bd00000(0000) knlGS:00<2>[ 57.045395] unable to execute userspace code (SMEP?) (uid: 0) <1>[ 57.058332] BUG: unable to handle page fault for address: 00007fe16ca28000 <1>[ 57.066339] #PF: supervisor instruction fetch in kernel mode <1>[ 57.072980] #PF: error_code(0x0011) - permissions violation <6>[ 57.079525] PGD 800000010597c067 P4D 800000010597c067 PUD 103c2f067 PMD 103c2e067 PTE 10dbc5067 <4>[ 57.089594] Oops: 0011 [#10] SMP PTI <4>[ 57.093900] CPU: 1 PID: 1755 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 57.102877] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 57.109810] RIP: 0010:0x7fe16ca28000 <4>[ 57.114099] Code: Unable to access opcode bytes at RIP 0x7fe16ca27fd6. <4>[ 57.121713] RSP: 0018:ffffac8042277e50 EFLAGS: 00010246 <4>[ 57.127858] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 <4>[ 57.136156] RDX: 0000000000000000 RSI: ffff8df53bc9bf50 RDI: ffff8df53bc9bf50 <4>[ 57.144450] RBP: 00007fe16ca28000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 57.152746] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f <4>[ 57.161041] R13: ffffac8042277f10 R14: ffffac8042277f10 R15: ffff8df4c325f000 <4>[ 57.169343] FS: 00007fe16c9f9580(0000) GS:ffff8df53bc80000(0000) knlGS:0000000000000000 <4>[ 57.178716] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 57.185448] CR2: 00007fe16ca28000 CR3: 000000010621c000 CR4: 00000000003506e0 <4>[ 57.193740] Call Trace: <4>[ 57.196792] ? __die_body.cold+0x1a/0x1f <4>[ 57.201493] ? no_context+0x177/0x380 <4>[ 57.205899] ? exc_page_fault+0x53/0x170 <4>[ 57.210592] ? asm_exc_page_fault+0x1e/0x30 <4>[ 57.215581] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae <4>[ 57.221249] ? direct_entry.cold+0x2c/0x38 <4>[ 57.226141] ? full_proxy_write+0x56/0x80 <4>[ 57.230931] ? vfs_write+0xea/0x3b0 <4>[ 57.235137] ? ksys_write+0x68/0xf0 <4>[ 57.239346] ? do_syscall_64+0x33/0x40 <4>[ 57.243839] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 00000000000000 # [ 55.541723] CS: 0010 DS: 0000 ES: 0000 CR0<4>[ 57.249999] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 57.296455] CR2: 00007fe16ca28000 <4>[ 57.300462] ---[ end trace 68c4bcfb3b2027ce ]--- <4>[ 57.305928] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 57.310613] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03 <4>[ 57.331925] RSP: 0018:ffffac80411f7e60 EFLAGS: 00010282 <4>[ 57.338066] RAX: ffffffffa037bd40 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 57.346348] RDX: 0000000000000000 RSI: ffff8df53bd9bf50 RDI: ffffffffa14f84b0 <4>[ 57.354631] RBP: ffffffffa19e8c28 R08: 0000000000000001 R09: 0000000000000001 <4>[ 57.362918] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 57.371206] R13: ffffac80411f7f10 R14: ffffac80411f7f10 R15: ffff8df4c325d000 <4>[ 57.379495] FS: 00007fe16c9f9580(0000) GS:ffff8df53bc80000(0000) knlGS:0000000000000000 <4>[ 57.388860] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 57.395598] CR2: 00007fe16ca28000 CR3: 000000010621c000 CR4: 00000000003506e0 : 0000000080050033 # [ 55.548463] CR2: ffffac80401d6fd6 CR3: 00000001060f6000 CR4: 00000000003506e0 # [ 55.556755] Call Trace: # [ 55.559805] ? __die_body.cold+0x1a/0x1f # [ 55.564503] ? no_context+0x177/0x380 # [ 55.568909] ? exc_page_fault+0xd7/0x170 # [ 55.573604] ? asm_exc_page_fault+0x1e/0x30 # [ 55.578602] ? execute_location+0x48/0x56 # [ 55.583395] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 55.588381] ? direct_entry.cold+0x2c/0x38 # [ 55.593273] ? full_proxy_write+0x56/0x80 # [ 55.598069] ? vfs_write+0xea/0x3b0 # [ 55.602277] ? ksys_write+0x68/0xf0 # [ 55.606487] ? do_syscall_64+0x33/0x40 # [ 55.610985] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 55.617147] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 55.663636] CR2: ffffac80401d7000 # [ 55.667650] ---[ end trace 68c4bcfb3b2027cc ]--- # [ 55.673122] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 55.677817] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03 # [ 55.699175] RSP: 0018:ffffac80411f7e60 EFLAGS: 00010282 # [ 55.705327] RAX: ffffffffa037bd40 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.713623] RDX: 0000000000000000 RSI: ffff8df53bd9bf50 RDI: ffffffffa14f84b0 # [ 55.721918] RBP: ffffffffa19e8c28 R08: 0000000000000001 R09: 0000000000000001 # [ 55.730210] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 55.738501] R13: ffffac80411f7f10 R14: ffffac80411f7f10 R15: ffff8df4c325d000 # [ 55.746798] FS: 00007ff2a8fd1580(0000) GS:ffff8df53bd00000(0000) knlGS:0000000000000000 # [ 55.756168] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.762906] CR2: ffffac80401d6fd6 CR3: 00000001060f6000 CR4: 00000000003506e0 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 56.059552] lkdtm: Performing direct entry EXEC_RODATA # [ 56.070635] lkdtm: attempting ok execution at ffffffffa037c110 # [ 56.083734] lkdtm: attempting bad execution at ffffffffa14f8940 # [ 56.090697] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 56.105533] BUG: unable to handle page fault for address: ffffffffa14f8940 # [ 56.113540] #PF: supervisor instruction fetch in kernel mode # [ 56.120182] #PF: error_code(0x0011) - permissions violation # [ 56.126725] PGD 133629067 P4D 133629067 PUD 13362a063 PMD 8000000132e001e1 # [ 56.134847] Oops: 0011 [#9] SMP PTI # [ 56.139055] CPU: 0 PID: 1718 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 56.148038] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 56.154979] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 56.161038] C<6>[ 57.713400] lkdtm: Performing direct entry EXEC_NULL <6>[ 57.721727] lkdtm: attempting ok execution at ffffffffa037c110 <6>[ 57.728602] lkdtm: attempting bad execution at 0000000000000000 <1>[ 57.735571] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 57.743672] #PF: supervisor instruction fetch in kernel mode <1>[ 57.750309] #PF: error_code(0x0010) - not-present page <6>[ 57.756363] PGD 0 P4D 0 <4>[ 57.759507] Oops: 0010 [#11] SMP PTI <4>[ 57.763807] CPU: 1 PID: 1792 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 57.772784] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 57.779722] RIP: 0010:0x0 <4>[ 57.782956] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. <4>[ 57.790961] RSP: 0018:ffffac8042307e48 EFLAGS: 00010246 <4>[ 57.797116] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 57.805412] RDX: 0000000000000000 RSI: ffff8df53bc9bf50 RDI: ffff8df53bc9bf50 <4>[ 57.813707] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 57.821993] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 57.830282] R13: ffffac8042307f10 R14: ffffac8042307f10 R15: ffff8df4c6178000 <4>[ 57.838578] FS: 00007f9b81c31580(0000) GS:ffff8df53bc80000(0000) knlGS:0000000000000000 <4>[ 57.847941] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 57.854675] CR2: ffffffffffffffd6 CR3: 0000000102702000 CR4: 00000000003506e0 <4>[ 57.862964] Call Trace: <4>[ 57.866009] ? __die_body.cold+0x1a/0x1f <4>[ 57.870702] ? no_context+0x177/0x380 <4>[ 57.875106] ? exc_page_fault+0x53/0x170 <4>[ 57.879792] ? asm_exc_page_fault+0x1e/0x30 <4>[ 57.884783] execute_location+0x48/0x56 <4>[ 57.889377] direct_entry.cold+0x2c/0x38 ode: ff ff cd 0b a6 a0 ff ff ff ff b2 2c 98 a1 ff ff ff ff 13 f3<4>[ 57.894077] full_proxy_write+0x56/0x80 <4>[ 57.904892] vfs_write+0xea/0x3b0 <4>[ 57.908903] ksys_write+0x68/0xf0 <4>[ 57.912908] do_syscall_64+0x33/0x40 <4>[ 57.917212] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 57.923169] RIP: 0033:0x7f9b81b47473 <4>[ 57.927468] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 57.948821] RSP: 002b:00007ffd90aa4208 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 57.957599] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f9b81b47473 <4>[ 57.965894] RDX: 000000000000000a RSI: 00007f9b81a3b000 RDI: 0000000000000001 <4>[ 57.974192] RBP: 00007f9b81a3b000 R08: 00007f9b81a3a010 R09: 0000000000000000 <4>[ 57.982486] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 57.990784] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 a5 a0 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 <4>[ 57.999091] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 58.045578] CR2: 0000000000000000 <4>[ 58.049582] ---[ end trace 68c4bcfb3b2027cf ]--- <4>[ 58.055060] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 58.059754] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03 <4>[ 58.081102] RSP: 0018:ffffac80411f7e60 EFLAGS: 00010282 <4>[ 58.087256] RAX: ffffffffa037bd40 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 58.095554] RDX: 0000000000000000 RSI: ffff8df53bd9bf50 RDI: ffffffffa14f84b0 <4>[ 58.103850] RBP: ffffffffa19e8c28 R08: 0000000000000001 R09: 0000000000000001 <4>[ 58.112144] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 58.120441] R13: ffffac80411f7f10 R14: ffffac80411f7f10 R15: ffff8df4c325d000 <4>[ 58.128738] FS: 00007f9b81c31580(0000) GS:ffff8df53bc80000(0000) knlGS:0000000000000000 <4>[ 58.138109] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 58.144844] CR2: ffffffffffffffd6 CR3: 0000000102702000 CR4: 00000000003506e0 <3>[ 58.153147] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 58.163395] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1792, name: cat <4>[ 58.172179] INFO: lockdep is turned off. <4>[ 58.176869] irq event stamp: 0 <4>[ 58.180582] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 58.187904] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 58.197372] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 58.206832] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 58.214158] CPU: 1 PID: 1792 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 58.223137] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 58.230068] Call Trace: <4>[ 58.233109] dump_stack+0x77/0x9b <4>[ 58.237125] ___might_sleep.cold+0xa6/0xb6 <4>[ 58.242016] exit_signals+0x1c/0x300 <4>[ 58.246320] do_exit+0xc2/0xab0 <4>[ 58.250137] ? ksys_write+0x68/0xf0 <4>[ 58.254336] make_task_dead+0x2f/0x30 <4>[ 58.258741] rewind_stack_and_make_dead+0x17/0x20 <4>[ 58.264311] RIP: 0033:0x7f9b81b47473 <4>[ 58.268613] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 58.289971] RSP: 002b:00007ffd90aa4208 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 58.298759] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f9b81b47473 <4>[ 58.307057] RDX: 000000000000000a RSI: 00007f9b81a3b000 RDI: 0000000000000001 <4>[ 58.315352] RBP: 00007f9b81a3b000 R08: 00007f9b81a3a010 R09: 0000000000000000 <4>[ 58.323649] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 58.331944] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69 # [ 56.182398] RSP: 0018:ffffac80421d7e48 EFLAGS: 00010246 # [ 56.188555] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 56.196853] RDX: 0000000000000000 RSI: ffff8df53bc1bf50 RDI: ffff8df53bc1bf50 # [ 56.205150] RBP: ffffffffa14f8940 R08: 0000000000000000 R09: 0000000000000000 # [ 56.213447] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 56.221747] R13: ffffac80421d7f10 R14: ffffac80421d7f10 R15: ffff8df4c3c2c000 # [ 56.230050] FS: 00007f5b40565580(0000) GS:ffff8df53bc00000(0000) knlGS:0000000000000000 # [ 56.239409] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.246146] CR2: ffffffffa14f8940 CR3: 00000001059d2000 CR4: 00000000003506f0 # [ 56.254445] Call Trace: # [ 56.257494] ? __die_body.cold+0x1a/0x1f # [ 56.262194] ? no_context+0x177/0x380 # [ 56.266601] ? exc_page_fault+0xd7/0x170 # [ 56.271296] ? asm_exc_page_fault+0x1e/0x30 # [ 56.276295] ? execute_location+0x48/0x56 # [ 56.281085] ? direct_entry.cold+0x2c/0x38 # [ 56.285978] ? full_proxy_write+0x56/0x80 # [ 56.290773] ? vfs_write+0xea/0x3b0 # [ 56.294980] ? ksys_write+0x68/0xf0 # [ 56.299188] ? do_syscall_64+0x33/0x40 # [ 56.303684] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 56.309847] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 56.356292] CR2: ffffffffa14f8940 # [ 56.360304] ---[ end trace 68c4bcfb3b2027cd ]--- # [ 56.365781] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 56.370474] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03 # [ 56.391825] RSP: 0018:ffffac80411f7e60 EFLAGS: 00010282 # [ 56.397971] RAX: ffffffffa037bd40 RBX: 0000000000000001 RCX: 0000000000000000 # [ 56.406264] RDX: 0000000000000000 RSI: ffff8df53bd9bf50 RDI: ffffffffa14f84b0 # [ 56.414562] RBP: ffffffffa19e8c28 R08: 0000000000000001 R09: 0000000000000001 # [ 56.422858] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 56.431157] R13: ffffac80411f7f10 R14: ffffac80411f7f10 R15: ffff8df4c325d000 # [ 56.439455] FS: 00007f5b40565580(0000) GS:ffff8df53bc00000(0000) knlGS:0000000000000000 # [ 56.448824] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.455557] CR2: ffffffffa14f8940 CR3: 00000001059d2000 CR4: 00000000003506f0 # [ 56.463858] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 56.474098] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1718, name: cat # [ 56.482883] INFO: lockdep is turned off. # [ 56.487573] irq event stamp: 0 # [ 56.491290] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 56.498617] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 56.508076] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 56.517543] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 56.524869] CPU: 0 PID: 1718 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 56.533839] Hard<6>[ 58.686944] lkdtm: Performing direct entry ACCESS_USERSPACE ware name: Google Coral/Coral, BIOS 09/29/2020 # [ 56.540770<6>[ 58.696659] lkdtm: attempting bad read at 00007f795fc24000 ] Call Trace: # [ 56.543815] dump_stack+0x77/0x9b # [ 56.<1>[ 58.708999] BUG: unable to handle page fault for address: 00007f795fc24000 <1>[ 58.723162] #PF: supervisor read access in kernel mode <1>[ 58.729218] #PF: error_code(0x0001) - permissions violation <6>[ 58.735760] PGD 8000000103725067 P4D 8000000103725067 PUD 103a8d067 PMD 105beb067 PTE 10a222067 <4>[ 58.745832] Oops: 0001 [#12] SMP PTI <4>[ 58.750129] CPU: 3 PID: 1828 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 58.759104] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 58.766043] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 <4>[ 58.772589] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 d0 39 98 a1 e8 25 d8 fb ff 48 c7 c7 f8 39 98 a1 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 0c d8 fb ff 48 89 ee 48 c7 c7 20 3a 98 <4>[ 58.793942] RSP: 0018:ffffac80423a7e48 EFLAGS: 00010246 <4>[ 58.800088] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 <4>[ 58.808382] RDX: 0000000000000000 RSI: ffff8df53bd9bf50 RDI: ffffffffa19839f8 <4>[ 58.816679] RBP: 00007f795fc24000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 58.824978] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 <4>[ 58.833277] R13: ffffac80423a7f10 R14: ffffac80423a7f10 R15: ffff8df4c6631000 <4>[ 58.841575] FS: 00007f795fbf5580(0000) GS:ffff8df53bd80000(0000) knlGS:0000000000000000 <4>[ 58.850945] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 58.857683] CR2: 00007f795fc24000 CR3: 0000000105a1c000 CR4: 00000000003506e0 <4>[ 58.865977] Call Trace: <4>[ 58.869023] ? __die_body.cold+0x1a/0x1f <4>[ 58.873722] ? no_context+0x177/0x380 <4>[ 58.878127] ? exc_page_fault+0x53/0x170 <4>[ 58.882822] ? asm_exc_page_fault+0x1e/0x30 <4>[ 58.887816] ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 <4>[ 58.893680] ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3 <4>[ 58.899543] direct_entry.cold+0x2c/0x38 <4>[ 58.904244] full_proxy_write+0x56/0x80 <4>[ 58.908844] vfs_write+0xea/0x3b0 <4>[ 58.912858] ksys_write+0x68/0xf0 <4>[ 58.916873] do_syscall_64+0x33/0x40 <4>[ 58.921179] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 58.927142] RIP: 0033:0x7f795fb0b473 <4>[ 58.931445] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 58.952804] RSP: 002b:00007ffd878eb9a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 58.961590] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f795fb0b473 <4>[ 58.969885] RDX: 0000000000000011 RSI: 00007f795f9ff000 RDI: 0000000000000001 <4>[ 58.978174] RBP: 00007f795f9ff000 R08: 00007f795f9fe010 R09: 0000000000000000 <4>[ 58.986470] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 58.994765] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 59.003074] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 59.043326] CR2: 00007f795fc24000 <4>[ 59.047340] ---[ end trace 68c4bcfb3b2027d0 ]--- <4>[ 59.052819] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 59.057514] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03 <4>[ 59.078872] RSP: 0018:ffffac80411f7e60 EFLAGS: 00010282 <4>[ 59.085027] RAX: ffffffffa037bd40 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 59.093326] RDX: 0000000000000000 RSI: ffff8df53bd9bf50 RDI: ffffffffa14f84b0 <4>[ 59.101622] RBP: ffffffffa19e8c28 R08: 0000000000000001 R09: 0000000000000001 <4>[ 59.109918] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 59.118213] R13: ffffac80411f7f10 R14: ffffac80411f7f10 R15: ffff8df4c325d000 <4>[ 59.126510] FS: 00007f795fbf5580(0000) GS:ffff8df53bd80000(0000) knlGS:0000000000000000 <4>[ 59.135880] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 59.142618] CR2: 00007f795fc24000 CR3: 0000000105a1c000 CR4: 00000000003506e0 547830] ___might_sleep.cold+0xa6/0xb6 # [ 56.552725] exit_signals+0x1c/0x300 # [ 56.557029] do_exit+0xc2/0xab0 # [ 56.560847] ? ksys_write+0x68/0xf0 # [ 56.565057] make_task_dead+0x2f/0x30 # [ 56.569460] rewind_stack_and_make_dead+0x17/0x20 # [ 56.575029] RIP: 0033:0x7f5b4047b473 # [ 56.579335] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 56.606913] RSP: 002b:00007ffe14af93e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.615696] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f5b4047b473 # [ 56.623987] RDX: 000000000000000c RSI: 00007f5b4036f000 RDI: 0000000000000001 # [ 56.632276] RBP: 00007f5b4036f000 R08: 00007f5b4036e010 R09: 0000000000000000 # [ 56.640565] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 56.648861] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh # Killed # [ 57.015630] lkdtm: Performing direct entry EXEC_USERSPACE # [ 57.025350] lkdtm: attempting ok execution at ffffffffa037c110 # [ 57.032234] lkdtm: attempting bad execution at 00007fe16ca28000 # [ 57.045395] unable to execute userspace code (SMEP?) (uid: 0) # [ 57.058332] BUG: unable to handle page fault for address: 00007fe16ca28000 # [ 57.066339] #PF: supervisor instruction fetch in kernel mode # [ 57.072980] #PF: error_code(0x0011) - permissions violation # [ 57.079525] PGD 800000010597c067 P4D 800000010597c067 PUD 103c2f067 PMD 103c2e067 PTE 10dbc5067 # [ 57.089594] Oops: 0011 [#10] SMP PTI # [ 57.093900] CPU: 1 PID: 1755 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 57.102877] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 57.109810] RIP: 0010:0x7fe16ca28000 # [ 57.114099] Code: Unable to access opcode bytes at RIP 0x7fe16ca27fd6. # [ 57.121713] RSP: 0018:ffffac8042277e50 EFLAGS: 00010246 # [ 57.127858] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 57.136156] RDX: 0000000000000000 RSI: ffff8df53bc9bf50 RDI: ffff8df53bc9bf50 # [ 57.144450] RBP: 00007fe16ca28000 R08: 0000000000000000 R09: 0000000000000000 # [ 57.152746] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f # [ 57.161041] R13: ffffac8042277f10 R14: ffffac8042277f10 R15: ffff8df4c325f000 # [ 57.169343] FS: 00007fe16c9f9580(0000) GS:ffff8df53bc80000(0000) knlGS:0000000000000000 # [ 57.178716] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.185448] CR2: 00007fe16ca28000 CR3: 000000010621c000 CR4: 00000000003506e0 # [ 57.193740] Call Trace: # [ 57.196792] ? __die_body.cold+0x1a/0x1f # [ 57.201493] ? no_context+0x177/0x380 # [ 57.205899] ? exc_page_fault+0x53/0x170 # [ 57.210592] ? asm_exc_page_fault+0x1e/0x30 # [ 57.215581] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae # [ 57.221249] ? direct_entry.cold+0x2c/0x38 # [ 57.226141] ? full_proxy_write+0x56/0x80 # [ 57.230931] ? vfs_write+0xea/0x3b0 # [ 57.235137] ? ksys_write+0x68/0xf0 # [ 57.239346] ? do_syscall_64+0x33/0x40 # [ 57.243839] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 57.249999] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 57.296455] CR2: 00007fe16ca28000 # [ 57.300462] ---[ end trace 68c4bcfb3b2027ce ]--- # [ 57.305928] RIP: 0010:lkdtm_BU<6>[ 59.526441] lkdtm: Performing direct entry ACCESS_NULL <6>[ 59.537494] lkdtm: attempting bad read at 0000000000000000 <1>[ 59.543974] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 59.552080] #PF: supervisor read access in kernel mode G+0x5/0x10 # [ 57.310613] Code: 89 ff e8 be d5 79 ff 48 c7 c0<1>[ 59.558133] #PF: error_code(0x0000) - not-present page <6>[ 59.570420] PGD 0 P4D 0 <4>[ 59.573559] Oops: 0000 [#13] SMP PTI <4>[ 59.577864] CPU: 2 PID: 1864 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 59.586845] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 59.593786] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 59.599355] Code: c9 d7 fb ff be 00 10 00 00 48 89 ef e8 f8 6c 0a ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 d0 39 98 a1 e8 a3 d7 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 f8 39 98 a1 48 01 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 <4>[ 59.620717] RSP: 0018:ffffac8042427e58 EFLAGS: 00010246 <4>[ 59.633092] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 <4>[ 59.641391] RDX: 0000000000000000 RSI: ffff8df53bd1bf50 RDI: ffff8df53bd1bf50 <4>[ 59.649685] RBP: ffffffffa1982ac1 R08: 0000000000000000 R09: 0000000000000000 <4>[ 59.657984] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c <4>[ 59.666279] R13: ffffac8042427f10 R14: ffffac8042427f10 R15: ffff8df4c3257000 <4>[ 59.674575] FS: 00007f29d99d8580(0000) GS:ffff8df53bd00000(0000) knlGS:0000000000000000 <4>[ 59.683946] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 59.690683] CR2: 0000000000000000 CR3: 00000001056f6000 CR4: 00000000003506e0 <4>[ 59.698981] Call Trace: <4>[ 59.702032] ? __die_body.cold+0x1a/0x1f <4>[ 59.706732] ? no_context+0x177/0x380 <4>[ 59.711138] ? exc_page_fault+0x53/0x170 <4>[ 59.715834] ? asm_exc_page_fault+0x1e/0x30 <4>[ 59.720829] ? lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 59.725720] ? lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 59.730607] direct_entry.cold+0x2c/0x38 <4>[ 59.735305] full_proxy_write+0x56/0x80 <4>[ 59.739908] vfs_write+0xea/0x3b0 <4>[ 59.743922] ksys_write+0x68/0xf0 <4>[ 59.747937] do_syscall_64+0x33/0x40 <4>[ 59.752240] entry_SYSCALL_64_after_hwframe+0x62/0xc7 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00<4>[ 59.758194] RIP: 0033:0x7f29d98ee473 <4>[ 59.768729] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 59.790086] RSP: 002b:00007ffc621457f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 59.798875] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f29d98ee473 <4>[ 59.807175] RDX: 000000000000000c RSI: 00007f29d97e2000 RDI: 0000000000000001 <4>[ 59.815475] RBP: 00007f29d97e2000 R08: 00007f29d97e1010 R09: 0000000000000000 <4>[ 59.823771] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 59.832068] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00 0f 1f 44 00 00 83 05 b0 7f 0b 03 # [ 57.331925] RSP: 0018<4>[ 59.840374] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 59.886798] CR2: 0000000000000000 <4>[ 59.890810] ---[ end trace 68c4bcfb3b2027d1 ]--- <4>[ 59.896282] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 59.900960] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03 <4>[ 59.922318] RSP: 0018:ffffac80411f7e60 EFLAGS: 00010282 <4>[ 59.928474] RAX: ffffffffa037bd40 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 59.936770] RDX: 0000000000000000 RSI: ffff8df53bd9bf50 RDI: ffffffffa14f84b0 <4>[ 59.945066] RBP: ffffffffa19e8c28 R08: 0000000000000001 R09: 0000000000000001 <4>[ 59.953362] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 59.961658] R13: ffffac80411f7f10 R14: ffffac80411f7f10 R15: ffff8df4c325d000 <4>[ 59.969955] FS: 00007f29d99d8580(0000) GS:ffff8df53bd00000(0000) knlGS:0000000000000000 <4>[ 59.979325] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 59.986057] CR2: 0000000000000000 CR3: 00000001056f6000 CR4: 00000000003506e0 <3>[ 59.994356] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 60.004599] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1864, name: cat <4>[ 60.013381] INFO: lockdep is turned off. <4>[ 60.018067] irq event stamp: 0 <4>[ 60.021785] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 60.029109] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 60.038564] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 60.048028] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 60.055352] CPU: 2 PID: 1864 Comm: cat Tainted: G D W 5.10.204-cip41 #1 :ffffac80411f7e60 EFLAGS: 00010282 # [ 57.338066] RAX: ffffff<4>[ 60.064321] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 60.077492] Call Trace: <4>[ 60.080530] dump_stack+0x77/0x9b <4>[ 60.084543] ___might_sleep.cold+0xa6/0xb6 <4>[ 60.089431] exit_signals+0x1c/0x300 <4>[ 60.093736] do_exit+0xc2/0xab0 <4>[ 60.097545] ? ksys_write+0x68/0xf0 <4>[ 60.101752] make_task_dead+0x2f/0x30 <4>[ 60.106154] rewind_stack_and_make_dead+0x17/0x20 <4>[ 60.111718] RIP: 0033:0x7f29d98ee473 <4>[ 60.116013] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 60.137371] RSP: 002b:00007ffc621457f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 60.146157] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f29d98ee473 <4>[ 60.154435] RDX: 000000000000000c RSI: 00007f29d97e2000 RDI: 0000000000000001 <4>[ 60.162728] RBP: 00007f29d97e2000 R08: 00007f29d97e1010 R09: 0000000000000000 <4>[ 60.171025] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 60.179318] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ffa037bd40 RBX: 0000000000000001 RCX: 0000000000000000 # [ 57.346348] RDX: 0000000000000000 RSI: ffff8df53bd9bf50 RDI: ffffffffa14f84b0 # [ 57.354631] RBP: ffffffffa19e8c28 R08: 0000000000000001 R09: 0000000000000001 # [ 57.362918] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 57.371206] R13: ffffac80411f7f10 R14: ffffac80411f7f10 R15: ffff8df4c325d000 # [ 57.379495] FS: 00007fe16c9f9580(0000) GS:ffff8df53bc80000(0000) knlGS:0000000000000000 # [ 57.388860] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.395598] CR2: 00007fe16ca28000 CR3: 000000010621c000 CR4: 00000000003506e0 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 57.713400] lkdtm: Performing direct entry EXEC_NULL # [ 57.721727] lkdtm: attempting ok execution at ffffffffa037c110 # [ 57.728602] lkdtm: attempting bad execution at 0000000000000000 # [ 57.735571] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 57.743672] #PF: supervisor instruction fetch in kernel mode # [ 57.750309] #PF: error_code(0x0010) - not-present page # [ 57.756363] PGD 0 P4D 0 # [ 57.759507] Oops: 0010 [#11] SMP PTI # [ 57.763807] CPU: 1 PID: 1792 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 57.772784] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 57.779722] RIP: 0010:0x0 # [ 57.782956] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. # [ 57.790961] RSP: 0018:ffffac8042307e48 EFLAGS: 00010246 # [ 57.797116] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 57.805412] RDX: 0000000000000000 RSI: ffff8df53bc9bf50 RDI: ffff8df53bc9bf50 # [ 57.813707] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 57.821993] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 57.830282] R13: ffffac8042307f10 R14: ffffac8042307f10 R15: ffff8df4c6178000 # [ 57.838578] FS: 00007f9b81c31580(0000) GS:ffff8df53bc80000(0000) knlGS:0000000000000000 # [ 57.847941] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.854675] CR2: ffffffffffffffd6 CR3: 0000000102702000 CR4: 00000000003506e0 # [ 57.862964] Call Trace: # [ 57.866009] ? __die_body.cold+0x1a/0x1f # [ 57.870702] ? no_context+0x177/0x380 # [ 57.875106] ? exc_page_fault+0x53/0x170 # [ 57.879792] ? asm_exc_page_fault+0x1e/0x30 # [ 57.884783] execute_location+0x48/0x56 # [ 57.889377] direct_entry.cold+0x2c/0x38 # [ 57.894077] full_proxy_write+0x56/0x80 # [ 57.904892] vfs_write+0xea/0x3b0 # [ 57.908903] ksys_write+0x68/0xf0 # [ 57.912908] do_syscall_64+0x33/0x40 # [ 57.917212] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 57.923169] RIP: 0033:0x7f9b81b47473 # [ 57.927468] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 57.948821] RSP: 002b:00007ffd90aa4208 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.957599] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f9b81b47473 # [ 57.965894] RDX: 000000000000000a RSI: 00007f9b81a3b000 RDI: 0000000000000001 # [ 57.974192] RBP: 00007f9b81a3b000 R08: 00007f9b81a3a010 R09: 0000000000000000 # [ 57.982486] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 57.990784] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 57.999091] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 58.045578] CR2: 0000000000000000 # [ 58.049582] ---[ end trace 68c4bcfb3b2027cf ]--- # [ 58.055060] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 58.059754] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 0<6>[ 60.599560] lkdtm: Performing direct entry WRITE_RO 0 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03 # [ 58.081102] RS<6>[ 60.611214] lkdtm: attempting bad rodata write at ffffffffa14f8930 P: 0018:ffffac80411f7e60 EFLAGS: 00010282 # [ 58.087256] RAX:<1>[ 60.624716] BUG: unable to handle page fault for address: ffffffffa14f8930 <1>[ 60.638944] #PF: supervisor write access in kernel mode <1>[ 60.645100] #PF: error_code(0x0003) - permissions violation <6>[ 60.651639] PGD 133629067 P4D 133629067 PUD 13362a063 PMD 8000000132e001e1 <4>[ 60.659760] Oops: 0003 [#14] SMP PTI <4>[ 60.664066] CPU: 0 PID: 1900 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 60.673046] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 60.679988] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a <4>[ 60.685260] Code: 00 48 c7 c7 b0 38 98 a1 48 c7 c6 30 89 4f a1 e8 4d da fb ff 48 8b 05 d2 92 a9 00 ba 34 12 cd ab 48 c7 c7 e0 38 98 a1 48 31 d0 <48> 89 05 bc 92 a9 00 e9 2b da fb ff 0f 1f 44 00 00 48 8b 05 cb bc <4>[ 60.706598] RSP: 0018:ffffac80424b7e60 EFLAGS: 00010202 <4>[ 60.712753] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 <4>[ 60.721048] RDX: 00000000abcd1234 RSI: ffff8df53bc1bf50 RDI: ffffffffa19838e0 <4>[ 60.729344] RBP: ffffffffa1982acd R08: 0000000000000000 R09: 0000000000000000 <4>[ 60.737642] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 <4>[ 60.745934] R13: ffffac80424b7f10 R14: ffffac80424b7f10 R15: ffff8df4c605f000 <4>[ 60.754229] FS: 00007f266be06580(0000) GS:ffff8df53bc00000(0000) knlGS:0000000000000000 <4>[ 60.763593] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 60.770322] CR2: ffffffffa14f8930 CR3: 000000010296e000 CR4: 00000000003506f0 ffffffffa037bd40 RBX: 0000000000000001 RCX: 0000000000000000 #<4>[ 60.778617] Call Trace: <4>[ 60.787899] ? __die_body.cold+0x1a/0x1f <4>[ 60.792601] ? no_context+0x177/0x380 <4>[ 60.797007] ? exc_page_fault+0xd7/0x170 <4>[ 60.801702] ? asm_exc_page_fault+0x1e/0x30 <4>[ 60.806695] ? lkdtm_WRITE_RO+0x2e/0x3a <4>[ 60.811291] direct_entry.cold+0x2c/0x38 <4>[ 60.815989] full_proxy_write+0x56/0x80 <4>[ 60.820589] vfs_write+0xea/0x3b0 <4>[ 60.824605] ksys_write+0x68/0xf0 <4>[ 60.828622] do_syscall_64+0x33/0x40 <4>[ 60.832926] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 60.838887] RIP: 0033:0x7f266bd1c473 <4>[ 60.843191] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 60.864518] RSP: 002b:00007ffcac34b578 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 60.873304] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f266bd1c473 <4>[ 60.881598] RDX: 0000000000000009 RSI: 00007f266bc10000 RDI: 0000000000000001 <4>[ 60.889893] RBP: 00007f266bc10000 R08: 00007f266bc0f010 R09: 0000000000000000 <4>[ 60.898190] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 60.906486] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 58.095554] RDX: 0000000000000000 RSI: ffff8df53bd9bf50 RDI:<4>[ 60.914794] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 60.961232] CR2: ffffffffa14f8930 <4>[ 60.965245] ---[ end trace 68c4bcfb3b2027d2 ]--- <4>[ 60.970710] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 60.975402] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03 <4>[ 60.996748] RSP: 0018:ffffac80411f7e60 EFLAGS: 00010282 <4>[ 61.002896] RAX: ffffffffa037bd40 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 61.011186] RDX: 0000000000000000 RSI: ffff8df53bd9bf50 RDI: ffffffffa14f84b0 <4>[ 61.019477] RBP: ffffffffa19e8c28 R08: 0000000000000001 R09: 0000000000000001 <4>[ 61.027772] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 61.036063] R13: ffffac80411f7f10 R14: ffffac80411f7f10 R15: ffff8df4c325d000 <4>[ 61.044362] FS: 00007f266be06580(0000) GS:ffff8df53bc00000(0000) knlGS:0000000000000000 <4>[ 61.053714] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 61.060444] CR2: ffffffffa14f8930 CR3: 000000010296e000 CR4: 00000000003506f0 <3>[ 61.068738] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 61.078980] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1900, name: cat <4>[ 61.087763] INFO: lockdep is turned off. <4>[ 61.092450] irq event stamp: 0 <4>[ 61.096164] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ffffffffa14f84b0 # [ 58.103850] RBP: ffffffffa19e8c28 R08: 0<4>[ 61.103489] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 61.119188] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 61.128659] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 61.135983] CPU: 0 PID: 1900 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 61.144962] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 61.151894] Call Trace: <4>[ 61.154936] dump_stack+0x77/0x9b <4>[ 61.158954] ___might_sleep.cold+0xa6/0xb6 <4>[ 61.163846] exit_signals+0x1c/0x300 <4>[ 61.168150] do_exit+0xc2/0xab0 <4>[ 61.171968] ? ksys_write+0x68/0xf0 <4>[ 61.176167] make_task_dead+0x2f/0x30 <4>[ 61.180571] rewind_stack_and_make_dead+0x17/0x20 <4>[ 61.186140] RIP: 0033:0x7f266bd1c473 <4>[ 61.190442] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 61.211791] RSP: 002b:00007ffcac34b578 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 61.220578] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f266bd1c473 <4>[ 61.228872] RDX: 0000000000000009 RSI: 00007f266bc10000 RDI: 0000000000000001 <4>[ 61.237171] RBP: 00007f266bc10000 R08: 00007f266bc0f010 R09: 0000000000000000 <4>[ 61.245468] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 61.253767] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000000000000001 R09: 0000000000000001 # [ 58.112144] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 58.120441] R13: ffffac80411f7f10 R14: ffffac80411f7f10 R15: ffff8df4c325d000 # [ 58.128738] FS: 00007f9b81c31580(0000) GS:ffff8df53bc80000(0000) knlGS:0000000000000000 # [ 58.138109] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.144844] CR2: ffffffffffffffd6 CR3: 0000000102702000 CR4: 00000000003506e0 # [ 58.153147] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 58.163395] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1792, name: cat # [ 58.172179] INFO: lockdep is turned off. # [ 58.176869] irq event stamp: 0 # [ 58.180582] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 58.187904] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 58.197372] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 58.206832] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 58.214158] CPU: 1 PID: 1792 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 58.223137] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 58.230068] Call Trace: # [ 58.233109] dump_stack+0x77/0x9b # [ 58.237125] ___might_sleep.cold+0xa6/0xb6 # [ 58.242016] exit_signals+0x1c/0x300 # [ 58.246320] do_exit+0xc2/0xab0 # [ 58.250137] ? ksys_write+0x68/0xf0 # [ 58.254336] make_task_dead+0x2f/0x30 # [ 58.258741] rewind_stack_and_make_dead+0x17/0x20 # [ 58.264311] RIP: 0033:0x7f9b81b47473 # [ 58.268613] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 58.289971] RSP: 002b:00007ffd90aa4208 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.298759] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f9b81b47473 # [ 58.307057] RDX: 000000000000000a RSI: 00007f9b81a3b000 RDI: 0000000000000001 # [ 58.315352] RBP: 00007f9b81a3b000 R08: 00007f9b81a3a010 R09: 0000000000000000 # [ 58.323649] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 58.331944] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh # Killed # [ 58.686944] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 58.696659] lkdtm: attempting bad read at 00007f795fc24000 # [ 58.708999] BUG: unable to handle page fault for address: 00007f795fc24000 # [ 58.723162] #PF: supervisor read access in kernel mode # [ 58.729218] #PF: error_code(0x0001) - permissions violation # [ 58.735760] PGD 8000000103725067 P4D 8000000103725067 PUD 103a8d067 PMD 105beb067 PTE 10a222067 # [ 58.745832] Oops: 0001 [#12] SMP PTI # [ 58.750129] CPU: 3 PID: 1828 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 58.759104] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 58.766043] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 58.772589] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 d0 39 98 a1 e8 25 d8 fb ff 48 c7 c7 f8 39 98 a1 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 0c d8 fb ff 48 89 ee 48 c7 c7 20 3a 98 # [ 58.793942] RSP: 0018:ffffac80423a7e48 EFLAGS: 00010246 # [ 58.800088] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 58.808382] RDX: 0000000000000000 RSI: ffff8df53bd9bf50 RDI: ffffffffa19839f8 # [ 58.816679] RBP: 00007f795fc24000 R08: 0000000000000000 R09: 0000000000000000 # [ 58.824978] R10: 00000000ffffe000 R11: 3fffffffffffffff R12<6>[ 61.627470] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT <6>[ 61.637015] lkdtm: attempting bad ro_after_init write at ffffffffa1a0b350 <1>[ 61.644957] BUG: unable to handle page fault for address: ffffffffa1a0b350 <1>[ 61.652965] #PF: supervisor write access in kernel mode <1>[ 61.659119] #PF: error_code(0x0003) - permissions violation : 0000000000000011 # [ 58.833277] R13: ffffac80423a7f10 R14: <6>[ 61.665661] PGD 133629067 P4D 133629067 PUD 13362a063 PMD 10005e163 PTE 800000013340b061 <4>[ 61.681278] Oops: 0003 [#15] SMP PTI <4>[ 61.685585] CPU: 2 PID: 1936 Comm: cat Tainted: G D W 5.10.204-cip41 #1 ffffac80423a7f10 R15: ffff8df4c6631000 # [ 58.841575] FS: 00<4>[ 61.694559] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 61.707731] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a <4>[ 61.714082] Code: 39 98 a1 e9 ff d9 fb ff 48 c7 c7 38 39 98 a1 e8 f3 d9 fb ff 48 8b 05 98 bc fa 00 ba 34 12 cd ab 48 c7 c7 e0 38 98 a1 48 31 d0 <48> 89 05 82 bc fa 00 e9 d1 d9 fb ff 0f 1f 44 00 00 41 54 48 c7 c7 <4>[ 61.735430] RSP: 0018:ffffac804254fe60 EFLAGS: 00010202 <4>[ 61.741588] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 <4>[ 61.749881] RDX: 00000000abcd1234 RSI: ffff8df53bd1bf50 RDI: ffffffffa19838e0 <4>[ 61.758178] RBP: ffffffffa1982ad6 R08: 0000000000000000 R09: 0000000000000000 <4>[ 61.766477] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 <4>[ 61.774774] R13: ffffac804254ff10 R14: ffffac804254ff10 R15: ffff8df4c2926000 <4>[ 61.783070] FS: 00007fdb2d661580(0000) GS:ffff8df53bd00000(0000) knlGS:0000000000000000 <4>[ 61.792437] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 61.799174] CR2: ffffffffa1a0b350 CR3: 000000010597c000 CR4: 00000000003506e0 <4>[ 61.807472] Call Trace: <4>[ 61.810520] ? __die_body.cold+0x1a/0x1f <4>[ 61.815218] ? no_context+0x177/0x380 <4>[ 61.819620] ? exc_page_fault+0xd7/0x170 <4>[ 61.824313] ? asm_exc_page_fault+0x1e/0x30 <4>[ 61.829301] ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a <4>[ 61.834965] direct_entry.cold+0x2c/0x38 <4>[ 61.839663] full_proxy_write+0x56/0x80 <4>[ 61.844263] vfs_write+0xea/0x3b0 <4>[ 61.848276] ksys_write+0x68/0xf0 <4>[ 61.852293] do_syscall_64+0x33/0x40 <4>[ 61.856597] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 61.862561] RIP: 0033:0x7fdb2d577473 <4>[ 61.866866] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 61.888225] RSP: 002b:00007ffcb85ff498 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 61.897013] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fdb2d577473 <4>[ 61.905309] RDX: 0000000000000014 RSI: 00007fdb2d46b000 RDI: 0000000000000001 <4>[ 61.913602] RBP: 00007fdb2d46b000 R08: 00007fdb2d46a010 R09: 0000000000000000 <4>[ 61.921901] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 61.930195] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 007f795fbf5580(0000) GS:ffff8df53bd80000(0000) knlGS:00000000000<4>[ 61.938504] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 61.984974] CR2: ffffffffa1a0b350 <4>[ 61.988989] ---[ end trace 68c4bcfb3b2027d3 ]--- <4>[ 61.994466] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 61.999154] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03 <4>[ 62.020500] RSP: 0018:ffffac80411f7e60 EFLAGS: 00010282 <4>[ 62.026654] RAX: ffffffffa037bd40 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 62.034952] RDX: 0000000000000000 RSI: ffff8df53bd9bf50 RDI: ffffffffa14f84b0 <4>[ 62.043248] RBP: ffffffffa19e8c28 R08: 0000000000000001 R09: 0000000000000001 <4>[ 62.051535] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 62.059826] R13: ffffac80411f7f10 R14: ffffac80411f7f10 R15: ffff8df4c325d000 <4>[ 62.068122] FS: 00007fdb2d661580(0000) GS:ffff8df53bd00000(0000) knlGS:0000000000000000 <4>[ 62.077493] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 62.084226] CR2: ffffffffa1a0b350 CR3: 000000010597c000 CR4: 00000000003506e0 <3>[ 62.092516] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 62.102748] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1936, name: cat <4>[ 62.111528] INFO: lockdep is turned off. <4>[ 62.116216] irq event stamp: 0 <4>[ 62.119928] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 62.127249] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 62.136715] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 62.146182] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 62.153503] CPU: 2 PID: 1936 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 62.162473] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 62.169405] Call Trace: <4>[ 62.172446] dump_stack+0x77/0x9b <4>[ 62.176462] ___might_sleep.cold+0xa6/0xb6 00000 # [ 58.850945] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000<4>[ 62.181354] exit_signals+0x1c/0x300 <4>[ 62.191899] do_exit+0xc2/0xab0 <4>[ 62.195718] ? ksys_write+0x68/0xf0 <4>[ 62.199926] make_task_dead+0x2f/0x30 <4>[ 62.204327] rewind_stack_and_make_dead+0x17/0x20 <4>[ 62.209896] RIP: 0033:0x7fdb2d577473 <4>[ 62.214198] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 62.235548] RSP: 002b:00007ffcb85ff498 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 62.244335] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fdb2d577473 <4>[ 62.252634] RDX: 0000000000000014 RSI: 00007fdb2d46b000 RDI: 0000000000000001 <4>[ 62.260927] RBP: 00007fdb2d46b000 R08: 00007fdb2d46a010 R09: 0000000000000000 <4>[ 62.269219] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 62.277515] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 080050033 # [ 58.857683] CR2: 00007f795fc24000 CR3: 0000000105a1c000 CR4: 00000000003506e0 # [ 58.865977] Call Trace: # [ 58.869023] ? __die_body.cold+0x1a/0x1f # [ 58.873722] ? no_context+0x177/0x380 # [ 58.878127] ? exc_page_fault+0x53/0x170 # [ 58.882822] ? asm_exc_page_fault+0x1e/0x30 # [ 58.887816] ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 58.893680] ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3 # [ 58.899543] direct_entry.cold+0x2c/0x38 # [ 58.904244] full_proxy_write+0x56/0x80 # [ 58.908844] vfs_write+0xea/0x3b0 # [ 58.912858] ksys_write+0x68/0xf0 # [ 58.916873] do_syscall_64+0x33/0x40 # [ 58.921179] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 58.927142] RIP: 0033:0x7f795fb0b473 # [ 58.931445] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 58.952804] RSP: 002b:00007ffd878eb9a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.961590] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f795fb0b473 # [ 58.969885] RDX: 0000000000000011 RSI: 00007f795f9ff000 RDI: 0000000000000001 # [ 58.978174] RBP: 00007f795f9ff000 R08: 00007f795f9fe010 R09: 0000000000000000 # [ 58.986470] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 58.994765] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.003074] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 59.043326] CR2: 00007f795fc24000 # [ 59.047340] ---[ end trace 68c4bcfb3b2027d0 ]--- # [ 59.052819] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 59.057514] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03 # [ 59.078872] RSP: 0018:ffffac80411f7e60 EFLAGS: 00010282 # [ 59.085027] RAX: ffffffffa037bd40 RBX: 0000000000000001 RCX: 0000000000000000 # [ 59.093326] RDX: 0000000000000000 RSI: ffff8df53bd9bf50 RDI: ffffffffa14f84b0 # [ 59.101622] RBP: ffffffffa19e8c28 R08: 0000000000000001 R09: 0000000000000001 # [ 59.109918] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 59.118213] R13: ffffac80411f7f10 R14: ffffac80411f7f10 R15: ffff8df4c325d000 # [ 59.126510] FS: 00007f795fbf5580(0000) GS:ffff8df53bd80000(0000) knlGS:0000000000000000 # [ 59.135880] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.142618] CR2: 00007f795fc24000 CR3: 0000000105a1c000 CR4: 00000000003506e0 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # [ 59.526441] lkdtm: Performing direct entry ACCESS_NULL # [ 59.537494] lkdtm: attempting bad read at 0000000000000000 # [ 59.543974] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 59.552080] #PF: supervisor read access in kernel mode # [ 59.558133] #PF: error_code(0x0000) - not-present page # [ 59.570420] PGD 0 P4D 0 # [ 59.573559] Oops: 0000 [#13] SMP PTI # [ 59.577864] CPU: 2 PID: 1864 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 59.586845] Hardware name: Google Cor<6>[ 62.635286] lkdtm: Performing direct entry WRITE_KERN al/Coral, BIOS 09/29/2020 # [ 59.593786] RIP: 0010:lkdtm_ACC<6>[ 62.647439] lkdtm: attempting bad 7222472 byte write at ffffffffa0a5f5d8 ESS_NULL+0x14/0x53 # [ 59.599355] Code: c9 d7 fb ff be 00 10 <1>[ 62.661522] BUG: unable to handle page fault for address: ffffffffa0a5f5d8 <1>[ 62.675718] #PF: supervisor write access in kernel mode <1>[ 62.681869] #PF: error_code(0x0003) - permissions violation <6>[ 62.688413] PGD 133629067 P4D 133629067 PUD 13362a063 PMD 1324001e1 <4>[ 62.695847] Oops: 0003 [#16] SMP PTI <4>[ 62.700152] CPU: 3 PID: 1972 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 62.709124] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 62.716067] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e <4>[ 62.721541] Code: 53 48 c7 c3 d8 f5 a5 a0 49 89 dc 48 89 da 49 81 ec 10 c1 37 a0 4c 89 e6 e8 a6 d9 fb ff 48 89 df 4c 89 e1 48 c7 c6 10 c1 37 a0 a4 48 c7 c7 e0 38 98 a1 e8 8b d9 fb ff 5b 41 5c e9 b7 fe ff ff <4>[ 62.742899] RSP: 0018:ffffac80425afe50 EFLAGS: 00010246 <4>[ 62.749057] RAX: 000000000000003c RBX: ffffffffa0a5f5d8 RCX: 00000000006e34c8 <4>[ 62.757352] RDX: 0000000000000000 RSI: ffffffffa037c110 RDI: ffffffffa0a5f5d8 <4>[ 62.765650] RBP: ffffffffa1982aea R08: 0000000000000000 R09: 0000000000000000 <4>[ 62.773945] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000006e34c8 <4>[ 62.782240] R13: ffffac80425aff10 R14: ffffac80425aff10 R15: ffff8df4c2ca0000 <4>[ 62.790538] FS: 00007f3e24421580(0000) GS:ffff8df53bd80000(0000) knlGS:0000000000000000 <4>[ 62.799905] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 62.806645] CR2: ffffffffa0a5f5d8 CR3: 0000000106600000 CR4: 00000000003506e0 <4>[ 62.814940] Call Trace: <4>[ 62.817988] ? __die_body.cold+0x1a/0x1f <4>[ 62.822688] ? no_context+0x177/0x380 <4>[ 62.827089] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 62.832854] ? exc_page_fault+0xd7/0x170 <4>[ 62.837551] ? asm_exc_page_fault+0x1e/0x30 <4>[ 62.842537] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 62.848297] ? lkdtm_SLAB_FREE_PAGE+0x40/0x40 <4>[ 62.853478] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 62.859244] ? lkdtm_WRITE_KERN+0x38/0x4e <4>[ 62.864040] direct_entry.cold+0x2c/0x38 <4>[ 62.868740] full_proxy_write+0x56/0x80 <4>[ 62.873334] vfs_write+0xea/0x3b0 <4>[ 62.877347] ksys_write+0x68/0xf0 <4>[ 62.881361] do_syscall_64+0x33/0x40 <4>[ 62.885667] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 62.891619] RIP: 0033:0x7f3e24337473 <4>[ 62.895921] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 62.917270] RSP: 002b:00007ffd4f511808 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 62.926054] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f3e24337473 <4>[ 62.934343] RDX: 000000000000000b RSI: 00007f3e2422b000 RDI: 0000000000000001 <4>[ 62.942636] RBP: 00007f3e2422b000 R08: 00007f3e2422a010 R09: 0000000000000000 <4>[ 62.950933] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 62.959232] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 62.967537] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 63.007778] CR2: ffffffffa0a5f5d8 <4>[ 63.011785] ---[ end trace 68c4bcfb3b2027d4 ]--- <4>[ 63.017259] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 63.021948] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03 <4>[ 63.043296] RSP: 0018:ffffac80411f7e60 EFLAGS: 00010282 <4>[ 63.049450] RAX: ffffffffa037bd40 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 63.057746] RDX: 0000000000000000 RSI: ffff8df53bd9bf50 RDI: ffffffffa14f84b0 <4>[ 63.066031] RBP: ffffffffa19e8c28 R08: 0000000000000001 R09: 0000000000000001 <4>[ 63.074317] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 63.082611] R13: ffffac80411f7f10 R14: ffffac80411f7f10 R15: ffff8df4c325d000 <4>[ 63.090908] FS: 00007f3e24421580(0000) GS:ffff8df53bd80000(0000) knlGS:0000000000000000 <4>[ 63.100272] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 63.107003] CR2: ffffffffa0a5f5d8 CR3: 0000000106600000 CR4: 00000000003506e0 <3>[ 63.115295] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 63.125529] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1972, name: cat <4>[ 63.134301] INFO: lockdep is turned off. <4>[ 63.138983] irq event stamp: 0 <4>[ 63.142695] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 63.150010] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 63.159476] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 63.168941] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 63.176258] CPU: 3 PID: 1972 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 63.185237] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 63.192161] Call Trace: <4>[ 63.195198] dump_stack+0x77/0x9b <4>[ 63.199206] ___might_sleep.cold+0xa6/0xb6 <4>[ 63.204101] exit_signals+0x1c/0x300 <4>[ 63.208405] do_exit+0xc2/0xab0 <4>[ 63.212223] ? ksys_write+0x68/0xf0 <4>[ 63.216427] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 63.222180] make_task_dead+0x2f/0x30 <4>[ 63.226574] rewind_stack_and_make_dead+0x17/0x20 <4>[ 63.232143] RIP: 0033:0x7f3e24337473 <4>[ 63.236441] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 63.257799] RSP: 002b:00007ffd4f511808 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 63.266586] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f3e24337473 <4>[ 63.274874] RDX: 000000000000000b RSI: 00007f3e2422b000 RDI: 0000000000000001 <4>[ 63.283170] RBP: 00007f3e2422b000 R08: 00007f3e2422a010 R09: 0000000000000000 <4>[ 63.291467] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 63.299758] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00 00 48 89 ef e8 f8 6c 0a ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 d0 39 98 a1 e8 a3 d7 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 f8 39 98 a1 48 01 # [ 59.620717] RSP: 0018:ffffac8042427e58 EFLAGS: 00010246 # [ 59.633092] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 59.641391] RDX: 0000000000000000 RSI: ffff8df53bd1bf50 RDI: ffff8df53bd1bf50 # [ 59.649685] RBP: ffffffffa1982ac1 R08: 0000000000000000 R09: 0000000000000000 # [ 59.657984] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 59.666279] R13: ffffac8042427f10 R14: ffffac8042427f10 R15: ffff8df4c3257000 # [ 59.674575] FS: 00007f29d99d8580(0000) GS:ffff8df53bd00000(0000) knlGS:0000000000000000 # [ 59.683946] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.690683] CR2: 0000000000000000 CR3: 00000001056f6000 CR4: 00000000003506e0 # [ 59.698981] Call Trace: # [ 59.702032] ? __die_body.cold+0x1a/0x1f # [ 59.706732] ? no_context+0x177/0x380 # [ 59.711138] ? exc_page_fault+0x53/0x170 # [ 59.715834] ? asm_exc_page_fault+0x1e/0x30 # [ 59.720829] ? lkdtm_ACCESS_NULL+0x14/0x53 # [ 59.725720] ? lkdtm_ACCESS_NULL+0x14/0x53 # [ 59.730607] direct_entry.cold+0x2c/0x38 # [ 59.735305] full_proxy_write+0x56/0x80 # [ 59.739908] vfs_write+0xea/0x3b0 # [ 59.743922] ksys_write+0x68/0xf0 # [ 59.747937] do_syscall_64+0x33/0x40 # [ 59.752240] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 59.758194] RIP: 0033:0x7f29d98ee473 # [ 59.768729] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 59.790086] RSP: 002b:00007ffc621457f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.798875] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f29d98ee473 # [ 59.807175] RDX: 000000000000000c RSI: 00007f29d97e2000 RDI: 0000000000000001 # [ 59.815475] RBP: 00007f29d97e2000 R08: 00007f29d97e1010 R09: 0000000000000000 # [ 59.823771] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 59.832068] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.840374] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 59.886798] CR2: 0000000000000000 # [ 59.890810] ---[ end trace 68c4bcfb3b2027d1 ]--- # [ 59.896282] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 59.900960] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03 # [ 59.922318] RSP: 0018:ffffac80411f7e60 EFLAGS: 00010282 # [ 59.928474] RAX: ffffffffa037bd40 RBX: 0000000000000001 RCX: 0000000000000000 # [ 59.936770] RDX: 0000000000000000 RSI: ffff8df53bd9bf50 RDI: ffffffffa14f84b0 # [ 59.945066] RBP: ffffffffa19e8c28 R08: 0000000000000001 R09: 0000000000000001 # [ 59.953362] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 59.961658] R13: ffffac80411f7f10 R14: ffffac80411f7f10 R15: ffff8df4c325d000 # [ 59.969955] FS: 00007f29d99d8580(0000) GS:ffff8df53bd00000(0000) knlGS:0000000000000000 # [ 59.979325] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.986057] CR2: 0000000000000000 CR3: 00000001056f6000 CR4: 00000000003506e0 # [ 59.994356] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 60.004599] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1864, name: cat # [ 60.013381] INFO: lockdep is turned off. # [ 60.018067] irq event stamp: 0 # [ 60.021785] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 60.029109] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 60.038564] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 60.048028] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 60.055352] CPU: 2 PID: 1864 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 60.064321] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 60.077492] Call Trace: # [ 60.080530] dump_stack+0x77/0<6>[ 63.753736] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW x9b # [ 60.084543] ___might_sleep.cold+0xa6/0xb6 # [ 60.0<6>[ 63.764240] lkdtm: attempting good refcount_inc() without overflow 89431] exit_signals+0x1c/0x300 # [ 60.093736] do_exit+0xc2/<6>[ 63.777732] lkdtm: attempting bad refcount_inc() overflow 0xab0 # [ 60.097545] ? ksys_write+0x68/0xf0 # [ 60.101752<4>[ 63.790362] ------------[ cut here ]------------ ] make_task_dead+0x2f/0x30 # [ 60.106154] rewind_stack_and_<4>[ 63.802100] refcount_t: saturated; leaking memory. make_dead+0x17/0x20 # [ 60.111718] RIP: 0033:0x7f29d98ee473 <4>[ 63.814068] WARNING: CPU: 3 PID: 2008 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 60.116013] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0<4>[ 63.830005] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 <4>[ 63.876438] CPU: 3 PID: 2008 Comm: cat Tainted: G D W 5.10.204-cip41 #1 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48<4>[ 63.891646] Hardware name: Google Coral/Coral, BIOS 09/29/2020 83 ec 28 48 89 54 24 18 # [ 60.137371] RSP: 002b:00007ffc621<4>[ 63.904854] RIP: 0010:refcount_warn_saturate+0x51/0x110 457f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.1461<4>[ 63.917242] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d a9 fb 16 02 00 75 ee 48 c7 c7 e8 d6 8d a1 c6 05 99 fb 16 02 01 e8 79 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 85 fb 16 02 00 75 cb 48 c7 c7 10 d7 8d 57] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f29d98<4>[ 63.944875] RSP: 0018:ffffac8042657e48 EFLAGS: 00010286 ee473 # [ 60.154435] RDX: 000000000000000c RSI: 00007f29d97e2<4>[ 63.957269] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 000 RDI: 0000000000000001 # [ 60.162728] RBP: 00007f29d97e200<4>[ 63.971809] RDX: ffff8df53bdac620 RSI: ffff8df53bd9bf50 RDI: ffff8df53bd9bf50 0 R08: 00007f29d97e1010 R09: 0000000000000000 # [ 60.171025] <4>[ 63.986387] RBP: ffffffffa1982af5 R08: 0000000000000000 R09: 0000000000000000 R10: fffffffffffffbc5 R11: 0000000000000246 R12: 000000000000000<4>[ 64.000917] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 1 # [ 60.179318] R13: 0000000000000001 R14: 0000000000020000 <4>[ 64.015492] R13: ffffac8042657f10 R14: ffffac8042657f10 R15: ffff8df4c62c4000 R15: 0000000000020000 # ACCESS_NULL: saw 'call trace:': ok ok <4>[ 64.030021] FS: 00007f73501f5580(0000) GS:ffff8df53bd80000(0000) knlGS:0000000000000000 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_R<4>[ 64.045707] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 O.sh # Killed # [ 60.599560] lkdtm: Performing direct entry <4>[ 64.058923] CR2: 00007f734ffff000 CR3: 00000001066c6000 CR4: 00000000003506e0 WRITE_RO # [ 60.611214] lkdtm: attempting bad rodata write at<4>[ 64.073226] Call Trace: ffffffffa14f8930 # [ 60.624716] BUG: unable to handle page f<4>[ 64.082681] ? __warn+0x80/0x110 ault for address: ffffffffa14f8930 # [ 60.638944] #PF: superv<4>[ 64.092695] ? refcount_warn_saturate+0x51/0x110 isor write access in kernel mode # [ 60.645100] #PF: error_co<4>[ 64.104428] ? report_bug+0x9e/0xc0 de(0x0003) - permissions violation # [ 60.651639] PGD 1336290<4>[ 64.114949] ? handle_bug+0x41/0x90 67 P4D 133629067 PUD 13362a063 PMD 8000000132e001e1 # [ 60.6<4>[ 64.125336] ? exc_invalid_op+0x14/0x70 59760] Oops: 0003 [#14] SMP PTI # [ 60.664066] CPU: 0 PID: 19<4>[ 64.136204] ? asm_exc_invalid_op+0x12/0x20 00 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ <4>[ 64.147434] ? refcount_warn_saturate+0x51/0x110 60.673046] Hardware name: Google Coral/Coral, BIOS 09/29/2020<4>[ 64.159137] ? refcount_warn_saturate+0x51/0x110 # [ 60.679988] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 60.<4>[ 64.170847] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 685260] Code: 00 48 c7 c7 b0 38 98 a1 48 c7 c6 30 89 4f a1 e8 4d<4>[ 64.182795] direct_entry.cold+0x2c/0x38 da fb ff 48 8b 05 d2 92 a9 00 ba 34 12 cd ab 48 c7 c7 e0 38 98 <4>[ 64.193714] full_proxy_write+0x56/0x80 a1 48 31 d0 <48> 89 05 bc 92 a9 00 e9 2b da fb ff 0f 1f 44 00 00<4>[ 64.204580] vfs_write+0xea/0x3b0 48 8b 05 cb bc # [ 60.706598] RSP: 0018:ffffac80424b7e60 EFL<4>[ 64.214814] ksys_write+0x68/0xf0 AGS: 00010202 # [ 60.712753] RAX: 000000000198b861 RBX: 00000<4>[ 64.225134] do_syscall_64+0x33/0x40 00000000028 RCX: 0000000000000000 # [ 60.721048] RDX: 0000000<4>[ 64.235611] entry_SYSCALL_64_after_hwframe+0x62/0xc7 0abcd1234 RSI: ffff8df53bc1bf50 RDI: ffffffffa19838e0 # [ 60.<4>[ 64.247847] RIP: 0033:0x7f735010b473 729344] RBP: ffffffffa1982acd R08: 0000000000000000 R09: 0000000<4>[ 64.258370] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 000000000 # [ 60.737642] R10: 00000000ffffe000 R11: 3ffffffff<4>[ 64.286009] RSP: 002b:00007ffed71e5228 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 fffffff R12: 0000000000000009 # [ 60.745934] R13: ffffac80424<4>[ 64.301015] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f735010b473 b7f10 R14: ffffac80424b7f10 R15: ffff8df4c605f000 # [ 60.7542<4>[ 64.315581] RDX: 0000000000000016 RSI: 00007f734ffff000 RDI: 0000000000000001 29] FS: 00007f266be06580(0000) GS:ffff8df53bc00000(0000) knlGS:<4>[ 64.330111] RBP: 00007f734ffff000 R08: 00007f734fffe010 R09: 0000000000000000 0000000000000000 # [ 60.763593] CS: 0010 DS: 0000 ES: 0000 C<4>[ 64.344677] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 R0: 0000000080050033 # [ 60.770322] CR2: ffffffffa14f8930 CR3<4>[ 64.359207] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 : 000000010296e000 CR4: 00000000003506f0 # [ 60.778617] Call <4>[ 64.373793] irq event stamp: 0 Trace: # [ 60.787899] ? __die_body.cold+0x1a/0x1f # [ 60.<4>[ 64.383691] hardirqs last enabled at (0): [<0000000000000000>] 0x0 792601] ? no_context+0x177/0x380 # [ 60.797007] ? exc_page_<4>[ 64.397372] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 fault+0xd7/0x170 # [ 60.801702] ? asm_exc_page_fault+0x1e/0x<4>[ 64.413079] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 30 # [ 60.806695] ? lkdtm_WRITE_RO+0x2e/0x3a # [ 60.81129<4>[ 64.428822] softirqs last disabled at (0): [<0000000000000000>] 0x0 1] direct_entry.cold+0x2c/0x38 # [ 60.815989] full_proxy_wr<4>[ 64.442367] ---[ end trace 68c4bcfb3b2027d5 ]--- ite+0x56/0x80 # [ 60.820589] vfs_write+0xea/0x3b0 # [ 60.<6>[ 64.454093] lkdtm: Overflow detected: saturated 824605] ksys_write+0x68/0xf0 # [ 60.828622] do_syscall_64+0x33/0x40 # [ 60.832926] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 60.838887] RIP: 0033:0x7f266bd1c473 # [ 60.843191] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.864518] RSP: 002b:00007ffcac34b578 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.873304] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f266bd1c473 # [ 60.881598] RDX: 0000000000000009 RSI: 00007f266bc10000 RDI: 0000000000000001 # [ 60.889893] RBP: 00007f266bc10000 R08: 00007f266bc0f010 R09: 0000000000000000 # [ 60.898190] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 60.906486] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 60.914794] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 60.961232] CR2: ffffffffa14f8930 # [ 60.965245] ---[ end trace 68c4bcfb3b2027d2 ]--- # [ 60.970710] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 60.975402] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03 # [ 60.996748] RSP: 0018:ffffac80411f7e60 EFLAGS: 00010282 # [ 61.002896] RAX: ffffffffa037bd40 RBX: 0000000000000001 RCX: 0000000000000000 # [ 61.011186] RDX: 0000000000000000 RSI: ffff8df53bd9bf50 RDI: ffffffffa14f84b0 # [ 61.019477] RBP: ffffffffa19e8c28 R08: 0000000000000001 R09: 0000000000000001 # [ 61.027772] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 61.036063] R13: ffffac80411f7f10 R14: ffffac80411f7f10 R15: ffff8df4c325d000 # [ 61.044362] FS: 00007f266be06580(0000) GS:ffff8df53bc00000(0000) knlGS:0000000000000000 # [ 61.053714] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.060444] CR2: ffffffffa14f8930 CR3: 000000010296e000 CR4: 00000000003506f0 # [ 61.068738] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 61.078980] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1900, name: cat # [ 61.087763] INFO: lockdep is turned off. # [ 61.092450] irq event stamp: 0 # [ 61.096164] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 61.103489] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 61.119188] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 61.128659] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 61.135983] CPU: 0 PID: 1900 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 61.144962] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 61.151894] Call Trace: # [ 61.154936] dump_stack+0x77/0x9b # [ 61.158954] ___might_sleep.cold+0xa6/0xb6 # [ 61.163846] exit_sign<6>[ 64.786175] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW <6>[ 64.796950] lkdtm: attempting good refcount_add() without overflow <6>[ 64.804208] lkdtm: attempting bad refcount_add() overflow als+0x1c/0x300 # [ 61.168150] do_exit+0xc2/0xab0 # [ 61.1<4>[ 64.810570] ------------[ cut here ]------------ <4>[ 64.822281] refcount_t: saturated; leaking memory. 71968] ? ksys_write+0x68/0xf0 # [ 61.176167] make_task_dead<4>[ 64.828017] WARNING: CPU: 2 PID: 2041 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 +0x2f/0x30 # [ 61.180571] rewind_stack_and_make_dead+0x17/0x<4>[ 64.843985] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table 20 # [ 61.186140] RIP: 0033:0x7f266bd1c473 # [ 61.190442] <4>[ 64.890481] CPU: 2 PID: 2041 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 64.905711] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 64.912671] RIP: 0010:refcount_warn_saturate+0x51/0x110 <4>[ 64.918845] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d a9 fb 16 02 00 75 ee 48 c7 c7 e8 d6 8d a1 c6 05 99 fb 16 02 01 e8 79 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 85 fb 16 02 00 75 cb 48 c7 c7 10 d7 8d <4>[ 64.940203] RSP: 0018:ffffac80426cfe48 EFLAGS: 00010286 Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b<4>[ 64.946372] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 <4>[ 64.960905] RDX: ffff8df53bd2c620 RSI: ffff8df53bd1bf50 RDI: ffff8df53bd1bf50 <4>[ 64.969216] RBP: ffffffffa1982b0b R08: 0000000000000000 R09: 0000000000000000 <4>[ 64.977526] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 <4>[ 64.985837] R13: ffffac80426cff10 R14: ffffac80426cff10 R15: ffff8df4c5943000 <4>[ 64.994151] FS: 00007fec37a7e580(0000) GS:ffff8df53bd00000(0000) knlGS:0000000000000000 <4>[ 65.003522] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 65.010272] CR2: 00007fec37888000 CR3: 00000001032de000 CR4: 00000000003506e0 <4>[ 65.018582] Call Trace: <4>[ 65.021646] ? __warn+0x80/0x110 <4>[ 65.025579] ? refcount_warn_saturate+0x51/0x110 <4>[ 65.031072] ? report_bug+0x9e/0xc0 <4>[ 65.035301] ? handle_bug+0x41/0x90 <4>[ 65.039527] ? exc_invalid_op+0x14/0x70 <4>[ 65.044142] ? asm_exc_invalid_op+0x12/0x20 <4>[ 65.049153] ? refcount_warn_saturate+0x51/0x110 <4>[ 65.054632] ? refcount_warn_saturate+0x51/0x110 <4>[ 65.060124] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 <4>[ 65.065812] direct_entry.cold+0x2c/0x38 <4>[ 65.070529] full_proxy_write+0x56/0x80 <4>[ 65.075149] vfs_write+0xea/0x3b0 <4>[ 65.079184] ksys_write+0x68/0xf0 <4>[ 65.083219] do_syscall_64+0x33/0x40 <4>[ 65.087544] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 65.093520] RIP: 0033:0x7fec37994473 7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f<4>[ 65.097838] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 65.125437] RSP: 002b:00007ffc3fcf4b98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 65.134246] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fec37994473 <4>[ 65.142562] RDX: 0000000000000016 RSI: 00007fec37888000 RDI: 0000000000000001 <4>[ 65.150880] RBP: 00007fec37888000 R08: 00007fec37887010 R09: 0000000000000000 <4>[ 65.159196] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 65.167508] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 65.175834] irq event stamp: 0 <4>[ 65.179570] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 65.186907] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 5<4>[ 65.196393] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 65.212116] softirqs last disabled at (0): [<0000000000000000>] 0x0 4 24 18 # [ 61.211791] RSP: 002b:00007ffcac34b578 EFLAGS: 000<4>[ 65.219456] ---[ end trace 68c4bcfb3b2027d6 ]--- <6>[ 65.231186] lkdtm: Overflow detected: saturated 00246 ORIG_RAX: 0000000000000001 # [ 61.220578] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f266bd1c473 # [ 61.228872] RDX: 0000000000000009 RSI: 00007f266bc10000 RDI: 0000000000000001 # [ 61.237171] RBP: 00007f266bc10000 R08: 00007f266bc0f010 R09: 0000000000000000 # [ 61.245468] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 61.253767] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 61.627470] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 61.637015] lkdtm: attempting bad ro_after_init write at ffffffffa1a0b350 # [ 61.644957] BUG: unable to handle page fault for address: ffffffffa1a0b350 # [ 61.652965] #PF: supervisor write access in kernel mode # [ 61.659119] #PF: error_code(0x0003) - permissions violation # [ 61.665661] PGD 133629067 P4D 133629067 PUD 13362a063 PMD 10005e163 PTE 800000013340b061 # [ 61.681278] Oops: 0003 [#15] SMP PTI # [ 61.685585] CPU: 2 PID: 1936 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 61.694559] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 61.707731] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 61.714082] Code: 39 98 a1 e9 ff d9 fb ff 48 c7 c7 38 39 98 a1 e8 f3 d9 fb ff 48 8b 05 98 bc fa 00 ba 34 12 cd ab 48 c7 c7 e0 38 98 a1 48 31 d0 <48> 89 05 82 bc fa 00 e9 d1 d9 fb ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 61.735430] RSP: 0018:ffffac804254fe60 EFLAGS: 00010202 # [ 61.741588] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 61.749881] RDX: 00000000abcd1234 RSI: ffff8df53bd1bf50 RDI: ffffffffa19838e0 # [ 61.758178] RBP: ffffffffa1982ad6 R08: 0000000000000000 R09: 0000000000000000 # [ 61.766477] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 61.774774] R13: ffffac804254ff10 R14: ffffac804254ff10 R15: ffff8df4c2926000 # [ 61.783070] FS: 00007fdb2d661580(0000) GS:ffff8df53bd00000(0000) knlGS:0000000000000000 # [ 61.792437] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.799174] CR2: ffffffffa1a0b350 CR3: 000000010597c000 CR4: 00000000003506e0 # [ 61.807472] Call Trace: # [ 61.810520] ? __die_body.cold+0x1a/0x1f # [ 61.815218] ? no_context+0x177/0x380 # [ 61.819620] ? exc_page_fault+0xd7/0x170 # [ 61.824313] ? asm_exc_page_fault+0x1e/0x30 # [ 61.829301] ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 61.834965] direct_entry.cold+0x2c/0x38 # [ 61.839663] full_proxy_write+0x56/0x80 # [ 61.844263] vfs_write+0xea/0x3b0 # [ 61.848276] ksys_write+0x68/0xf0 # [ 61.852293] do_syscall_64+0x33/0x40 # [ 61.856597] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 61.862561] RIP: 0033:0x7fdb2d577473 # [ 61.866866] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 61.888225] RSP: 002b:00007ffcb85ff498 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.897013] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fdb2d577473 # [ 61.905309] RDX: 0000000000000014 RSI: 00007fdb2d46b000 RDI: 0000000000000001 # [ 61.913602] RBP: 00007fdb2d46b000 R08: 00007fdb2d46a010 R09: 000000000<6>[ 65.564138] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW 0000000 # [ 61.921901] R10: fffffffffffffbc5 R11: 00000000000<6>[ 65.575199] lkdtm: attempting bad refcount_inc_not_zero() overflow 00246 R12: 0000000000000001 # [ 61.930195] R13: 0000000000000<4>[ 65.588684] ------------[ cut here ]------------ 001 R14: 0000000000020000 R15: 0000000000020000 # [ 61.938504<4>[ 65.600435] refcount_t: saturated; leaking memory. ] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a c<4>[ 65.612434] WARNING: CPU: 3 PID: 2074 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 ros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs <4>[ 65.628381] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_m<4>[ 65.674753] CPU: 3 PID: 2074 Comm: cat Tainted: G D W 5.10.204-cip41 #1 emops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_s<4>[ 65.689944] Hardware name: Google Coral/Coral, BIOS 09/29/2020 oc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_cor<4>[ 65.703128] RIP: 0010:refcount_warn_saturate+0x97/0x110 e snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore core<4>[ 65.715544] Code: 02 01 e8 56 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 64 fb 16 02 00 75 a8 48 c7 c7 e8 d6 8d a1 c6 05 54 fb 16 02 01 e8 33 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 3e fb 16 02 00 75 85 48 c7 c7 40 d7 8d boot_table # [ 61.984974] CR2: ffffffffa1a0b350 # [ 61.988<4>[ 65.743128] RSP: 0018:ffffac804273fe38 EFLAGS: 00010282 989] ---[ end trace 68c4bcfb3b2027d3 ]--- # [ 61.994466] RIP:<4>[ 65.755506] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 0010:lkdtm_BUG+0x5/0x10 # [ 61.999154] Code: 89 ff e8 be d5 <4>[ 65.770054] RDX: ffff8df53bdac620 RSI: ffff8df53bd9bf50 RDI: ffff8df53bd9bf50 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc c<4>[ 65.784575] RBP: ffffffffa1982748 R08: 0000000000000000 R09: 0000000000000000 c cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f <4>[ 65.799113] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03 # [ 62.020<4>[ 65.813672] R13: ffffac804273ff10 R14: ffffac804273ff10 R15: ffff8df4c2915000 500] RSP: 0018:ffffac80411f7e60 EFLAGS: 00010282 # [ 62.02665<4>[ 65.828191] FS: 00007f12cf228580(0000) GS:ffff8df53bd80000(0000) knlGS:0000000000000000 4] RAX: ffffffffa037bd40 RBX: 0000000000000001 RCX: 000000000000<4>[ 65.843836] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0000 # [ 62.034952] RDX: 0000000000000000 RSI: ffff8df53bd9bf<4>[ 65.856869] CR2: 00007f12cf032000 CR3: 0000000103078000 CR4: 00000000003506e0 50 RDI: ffffffffa14f84b0 # [ 62.043248] RBP: ffffffffa19e8c28<4>[ 65.871658] Call Trace: R08: 0000000000000001 R09: 0000000000000001 # [ 62.051535] R<4>[ 65.880718] ? __warn+0x80/0x110 10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004<4>[ 65.891008] ? refcount_warn_saturate+0x97/0x110 # [ 62.059826] R13: ffffac80411f7f10 R14: ffffac80411f7f10 R<4>[ 65.902560] ? report_bug+0x9e/0xc0 15: ffff8df4c325d000 # [ 62.068122] FS: 00007fdb2d661580(000<4>[ 65.913062] ? handle_bug+0x41/0x90 0) GS:ffff8df53bd00000(0000) knlGS:0000000000000000 # [ 62.07<4>[ 65.923454] ? exc_invalid_op+0x14/0x70 7493] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 6<4>[ 65.934324] ? asm_exc_invalid_op+0x12/0x20 2.084226] CR2: ffffffffa1a0b350 CR3: 000000010597c000 CR4: 00000<4>[ 65.945519] ? refcount_warn_saturate+0x97/0x110 000003506e0 # [ 62.092516] BUG: sleeping function called from<4>[ 65.957250] ? refcount_warn_saturate+0x97/0x110 invalid context at include/linux/percpu-rwsem.h:49 # [ 62.10<4>[ 65.968900] __refcount_add_not_zero.constprop.0+0x2a/0x35 2748] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 193<4>[ 65.981704] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 6, name: cat # [ 62.111528] INFO: lockdep is turned off. # [<4>[ 65.994420] direct_entry.cold+0x2c/0x38 62.116216] irq event stamp: 0 # [ 62.119928] hardirqs last<4>[ 66.005425] full_proxy_write+0x56/0x80 enabled at (0): [<0000000000000000>] 0x0 # [ 62.127249] har<4>[ 66.016211] vfs_write+0xea/0x3b0 dirqs last disabled at (0): [] copy_process+0x<4>[ 66.026484] ksys_write+0x68/0xf0 65c/0x20e0 # [ 62.136715] softirqs last enabled at (0): [[ 66.036705] do_syscall_64+0x33/0x40 ffffff9f8fd6cc>] copy_process+0x65c/0x20e0 # [ 62.146182] sof<4>[ 66.047301] entry_SYSCALL_64_after_hwframe+0x62/0xc7 tirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 62.1<4>[ 66.059449] RIP: 0033:0x7f12cf13e473 53503] CPU: 2 PID: 1936 Comm: cat Tainted: G D W 5.<4>[ 66.070032] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 10.204-cip41 #1 # [ 62.162473] Hardware name: Google Coral/Co<4>[ 66.097593] RSP: 002b:00007fffab8dd1c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ral, BIOS 09/29/2020 # [ 62.169405] Call Trace: # [ 62.17<4>[ 66.112662] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f12cf13e473 2446] dump_stack+0x77/0x9b # [ 62.176462] ___might_sleep.co<4>[ 66.127148] RDX: 000000000000001f RSI: 00007f12cf032000 RDI: 0000000000000001 ld+0xa6/0xb6 # [ 62.181354] exit_signals+0x1c/0x300 # [ 6<4>[ 66.141715] RBP: 00007f12cf032000 R08: 00007f12cf031010 R09: 0000000000000000 2.191899] do_exit+0xc2/0xab0 # [ 62.195718] ? ksys_write+0x<4>[ 66.156248] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 68/0xf0 # [ 62.199926] make_task_dead+0x2f/0x30 # [ 62.20<4>[ 66.170800] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 4327] rewind_stack_and_make_dead+0x17/0x20 # [ 62.209896] RI<4>[ 66.185342] irq event stamp: 0 P: 0033:0x7fdb2d577473 # [ 62.214198] Code: 8b 15 21 2a 0e 00<4>[ 66.195296] hardirqs last enabled at (0): [<0000000000000000>] 0x0 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 <4>[ 66.208854] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff<4>[ 66.224603] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.23554<4>[ 66.240296] softirqs last disabled at (0): [<0000000000000000>] 0x0 8] RSP: 002b:00007ffcb85ff498 EFLAGS: 00000246 ORIG_RAX: 0000000<4>[ 66.253881] ---[ end trace 68c4bcfb3b2027d7 ]--- 000000001 # [ 62.244335] RAX: ffffffffffffffda RBX: 000000000<6>[ 66.265572] lkdtm: Overflow detected: saturated 0000014 RCX: 00007fdb2d577473 # [ 62.252634] RDX: 0000000000000014 RSI: 00007fdb2d46b000 RDI: 0000000000000001 # [ 62.260927] RBP: 00007fdb2d46b000 R08: 00007fdb2d46a010 R09: 0000000000000000 # [ 62.269219] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 62.277515] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed # [ 62.635286] lkdtm: Performing direct entry WRITE_KERN # [ 62.647439] lkdtm: attempting bad 7222472 byte write at ffffffffa0a5f5d8 # [ 62.661522] BUG: unable to handle page fault for address: ffffffffa0a5f5d8 # [ 62.675718] #PF: supervisor write access in kernel mode # [ 62.681869] #PF: error_code(0x0003) - permissions violation # [ 62.688413] PGD 133629067 P4D 133629067 PUD 13362a063 PMD 1324001e1 # [ 62.695847] Oops: 0003 [#16] SMP PTI # [ 62.700152] CPU: 3 PID: 1972 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 62.709124] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 62.716067] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 62.721541] Code: 53 48 c7 c3 d8 f5 a5 a0 49 89 dc 48 89 da 49 81 ec 10 c1 37 a0 4c 89 e6 e8 a6 d9 fb ff 48 89 df 4c 89 e1 48 c7 c6 10 c1 37 a0 a4 48 c7 c7 e0 38 98 a1 e8 8b d9 fb ff 5b 41 5c e9 b7 fe ff ff # [ 62.742899] RSP: 0018:ffffac80425afe50 EFLAGS: 00010246 # [ 62.749057] RAX: 000000000000003c RBX: ffffffffa0a5f5d8 RCX: 00000000006e34c8 # [ 62.757352] RDX: 0000000000000000 RSI: ffffffffa037c110 RDI: ffffffffa0a5f5d8 # [ 62.765650] RBP: ffffffffa1982aea R08: 0000000000000000 R09: 0000000000000000 # [ 62.773945] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000006e34c8 # [ 62.782240] R13: ffffac80425aff10 R14: ffffac80425aff10 R15: ffff8df4c2ca0000 # [ 62.790538] FS: 00007f3e24421580(0000) GS:ffff8df53bd80000(0000) knlGS:0000000000000000 # [ 62.799905] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.806645] CR2: ffffffffa0a5f5d8 CR3: 0000000106600000 CR4: 00000000003506e0 # [ 62.814940] Call Trace: # [ 62.817988] ? __die_body.cold+0x1a/0x1f # [ 62.822688] ? no_context+0x177/0x380 # [ 62.827089] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 62.832854] ? exc_page_fault+0xd7/0x170 # [ 62.837551] ? asm_exc_page_fault+0x1e/0x30 # [ 62.842537] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 62.848297] ? lkdtm_SLAB_FREE_PAGE+0x40/0x40 # [ 62.853478] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 62.859244] ? lkdtm_WRITE_KERN+0x38/0x4e # [ 62.864040] direct_entry.cold+0x2c/0x38 # [ 62.868740] full_proxy_write+0x56/0x80 # [ 62.873334] vfs_write+0xea/0x3b0 # [ 62.877347] ksys_write+0x68/0xf0 # [ 62.881361] do_syscall_64+0x33/0x40 # [ 62.885667] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 62.891619] RIP: 0033:0x7f3e24337473 # [ 62.895921] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.917270] RSP: 002b:00007ffd4f511808 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.92<6>[ 66.595100] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW 6054] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f3e2<6>[ 66.603250] lkdtm: attempting bad refcount_add_not_zero() overflow 4337473 # [ 62.934343] RDX: 000000000000000b RSI: 00007f3e242<4>[ 66.616740] ------------[ cut here ]------------ 2b000 RDI: 0000000000000001 # [ 62.942636] RBP: 00007f3e2422b<4>[ 66.628497] refcount_t: saturated; leaking memory. 000 R08: 00007f3e2422a010 R09: 0000000000000000 # [ 62.950933<4>[ 66.640437] WARNING: CPU: 3 PID: 2107 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 ] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000<4>[ 66.656643] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table 001 # [ 62.959232] R13: 0000000000000001 R14: 000000000002000<4>[ 66.702940] CPU: 3 PID: 2107 Comm: cat Tainted: G D W 5.10.204-cip41 #1 0 R15: 0000000000020000 # [ 62.967537] Modules linked in: fus<4>[ 66.718381] Hardware name: Google Coral/Coral, BIOS 09/29/2020 e ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_e<6>[ 66.724806] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) c_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_us<4>[ 66.731294] RIP: 0010:refcount_warn_saturate+0x97/0x110 <6>[ 66.748231] platform MX98357A:00: deferred probe pending bpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsm<6>[ 66.764505] pci 0000:00:1b.0: deferred probe pending i x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_comm<4>[ 66.764651] Code: 02 01 e8 56 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 64 fb 16 02 00 75 a8 48 c7 c7 e8 d6 8d a1 c6 05 54 fb 16 02 01 e8 33 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 3e fb 16 02 00 75 85 48 c7 c7 40 d7 8d on cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_d<4>[ 66.804383] RSP: 0018:ffffac80427c7e38 EFLAGS: 00010282 maengine regmap_i2c chromeos_pstore coreboot_table # [ 63.007<4>[ 66.816764] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 778] CR2: ffffffffa0a5f5d8 # [ 63.011785] ---[ end trace 68c4<4>[ 66.831342] RDX: ffff8df53bdac620 RSI: ffff8df53bd9bf50 RDI: ffff8df53bd9bf50 bcfb3b2027d4 ]--- # [ 63.017259] RIP: 0010:lkdtm_BUG+0x5/0x10<4>[ 66.845873] RBP: ffffffffa1982768 R08: 0000000000000000 R09: 0000000000000000 # [ 63.021948] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff <4>[ 66.860412] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff f<4>[ 66.874971] R13: ffffac80427c7f10 R14: ffffac80427c7f10 R15: ffff8df4c3c2e000 f eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f <4>[ 66.889485] FS: 00007fe1bb87a580(0000) GS:ffff8df53bd80000(0000) knlGS:0000000000000000 44 00 00 83 05 b0 7f 0b 03 # [ 63.043296] RSP: 0018:ffffac804<4>[ 66.905127] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 11f7e60 EFLAGS: 00010282 # [ 63.049450] RAX: ffffffffa037bd40<4>[ 66.918089] CR2: 00007fe1bb684000 CR3: 0000000105944000 CR4: 00000000003506e0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 63.057746] R<4>[ 66.932680] Call Trace: DX: 0000000000000000 RSI: ffff8df53bd9bf50 RDI: ffffffffa14f84b0<4>[ 66.941994] ? __warn+0x80/0x110 # [ 63.066031] RBP: ffffffffa19e8c28 R08: 0000000000000001 R<4>[ 66.952045] ? refcount_warn_saturate+0x97/0x110 09: 0000000000000001 # [ 63.074317] R10: 00000000ffffe000 R11<4>[ 66.963896] ? report_bug+0x9e/0xc0 : 3fffffffffffffff R12: 0000000000000004 # [ 63.082611] R13: <4>[ 66.974402] ? handle_bug+0x41/0x90 ffffac80411f7f10 R14: ffffac80411f7f10 R15: ffff8df4c325d000 # <4>[ 66.984683] ? exc_invalid_op+0x14/0x70 [ 63.090908] FS: 00007f3e24421580(0000) GS:ffff8df53bd80000(0<4>[ 66.995577] ? asm_exc_invalid_op+0x12/0x20 000) knlGS:0000000000000000 # [ 63.100272] CS: 0010 DS: 0000<4>[ 67.006769] ? refcount_warn_saturate+0x97/0x110 ES: 0000 CR0: 0000000080050033 # [ 63.107003] CR2: ffffffffa<4>[ 67.018534] ? refcount_warn_saturate+0x97/0x110 0a5f5d8 CR3: 0000000106600000 CR4: 00000000003506e0 # [ 63.11<4>[ 67.030167] __refcount_add_not_zero.constprop.0+0x2a/0x35 5295] BUG: sleeping function called from invalid context at incl<4>[ 67.042955] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 ude/linux/percpu-rwsem.h:49 # [ 63.125529] in_atomic(): 0, ir<4>[ 67.055651] direct_entry.cold+0x2c/0x38 qs_disabled(): 1, non_block: 0, pid: 1972, name: cat # [ 63.1<4>[ 67.066645] full_proxy_write+0x56/0x80 34301] INFO: lockdep is turned off. # [ 63.138983] irq event <4>[ 67.077452] vfs_write+0xea/0x3b0 stamp: 0 # [ 63.142695] hardirqs last enabled at (0): [<0000<4>[ 67.087723] ksys_write+0x68/0xf0 000000000000>] 0x0 # [ 63.150010] hardirqs last disabled at (<4>[ 67.097953] do_syscall_64+0x33/0x40 0): [] copy_process+0x65c/0x20e0 # [ 63.159<4>[ 67.108550] entry_SYSCALL_64_after_hwframe+0x62/0xc7 476] softirqs last enabled at (0): [] copy_pr<4>[ 67.120706] RIP: 0033:0x7fe1bb790473 ocess+0x65c/0x20e0 # [ 63.168941] softirqs last disabled at (<4>[ 67.131310] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 0): [<0000000000000000>] 0x0 # [ 63.176258] CPU: 3 PID: 1972 <4>[ 67.158871] RSP: 002b:00007ffd1e5cfe18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 6<4>[ 67.173932] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fe1bb790473 3.185237] Hardware name: Google Coral/Coral, BIOS 09/29/2020 #<4>[ 67.188431] RDX: 000000000000001f RSI: 00007fe1bb684000 RDI: 0000000000000001 [ 63.192161] Call Trace: # [ 63.195198] dump_stack+0x77/0<4>[ 67.203021] RBP: 00007fe1bb684000 R08: 00007fe1bb683010 R09: 0000000000000000 x9b # [ 63.199206] ___might_sleep.cold+0xa6/0xb6 # [ 63.2<4>[ 67.217521] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 04101] exit_signals+0x1c/0x300 # [ 63.208405] do_exit+0xc2/<4>[ 67.232099] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0xab0 # [ 63.212223] ? ksys_write+0x68/0xf0 # [ 63.216427<4>[ 67.246639] irq event stamp: 0 ] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 63.222180] mak<4>[ 67.256599] hardirqs last enabled at (0): [<0000000000000000>] 0x0 e_task_dead+0x2f/0x30 # [ 63.226574] rewind_stack_and_make_d<4>[ 67.270156] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 ead+0x17/0x20 # [ 63.232143] RIP: 0033:0x7f3e24337473 # [ <4>[ 67.285886] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 63.236441] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff<4>[ 67.301617] softirqs last disabled at (0): [<0000000000000000>] 0x0 ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 <4>[ 67.315158] ---[ end trace 68c4bcfb3b2027d8 ]--- 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec<6>[ 67.326864] lkdtm: Overflow detected: saturated 28 48 89 54 24 18 # [ 63.257799] RSP: 002b:00007ffd4f511808 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.266586] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f3e24337473 # [ 63.274874] RDX: 000000000000000b RSI: 00007f3e2422b000 RDI: 0000000000000001 # [ 63.283170] RBP: 00007f3e2422b000 R08: 00007f3e2422a010 R09: 0000000000000000 # [ 63.291467] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 63.299758] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 63.753736] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 63.764240] lkdtm: attempting good refcount_inc() without overflow # [ 63.777732] lkdtm: attempting bad refcount_inc() overflow # [ 63.790362] ------------[ cut here ]------------ # [ 63.802100] refcount_t: saturated; leaking memory. # [ 63.814068] WARNING: CPU: 3 PID: 2008 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 63.830005] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 63.876438] CPU: 3 PID: 2008 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 63.891646] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 63.904854] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 63.917242] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d a9 fb 16 02 00 75 ee 48 c7 c7 e8 d6 8d a1 c6 05 99 fb 16 02 01 e8 79 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 85 fb 16 02 00 75 cb 48 c7 c7 10 d7 8d # [ 63.944875] RSP: 0018:ffffac8042657e48 EFLAGS: 00010286 # [ 63.957269] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 63.971809] RDX: ffff8df53bdac620 RSI: ffff8df53bd9bf50 RDI: ffff8df53bd9bf50 # [ 63.986387] RBP: ffffffffa1982af5 R08: 0000000000000000 R09: 0000000000000000 # [ 64.000917] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 64.015492] R13: ffffac8042657f10 R14: ffffac8042657f10 R15: ffff8df4c62c4000 # [ 64.030021] FS: 00007f73501f5580(0000) GS:ffff8df53bd80000(0000) knlGS:0000000000000000 # [ 64.045707] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.058923] CR2: 00007f734ffff000 CR3: 00000001066c6000 CR4: 00000000003506e0 # [ 64.073226] Call Trace: # [ 64.082681] ? __warn+0x80/0x110 # [ 64.092695] ? refcount_warn_saturate+0x51/0x110 # [ 64.104428] ? report_bug+0x9e/0xc0 # [ 64.114949] ? handle_bug+0x41/0x90 # [ 64.125336] ? exc_invalid_op+0x14/0x70 # [ 64.136204] ? asm_exc_invalid_op+0x12/0x20 # [ 64.147434] ? refcount_warn_saturate+0x51/0x110 # [ 64.159137] ? refcount_warn_saturate+0x51/0x110 # [ 64.170847] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 64.182795] direct_entry.cold+0x2c/0x38 # [ 64.193714] full_proxy_write+0x56/0x80 # [ 64.204580] vfs_write+0xea/0x3b0 # [ 64.214814] ksys_write+0x68/0xf0 # [ 64.225134] do_syscall_64+0x33/0x40 # [ 64.235611] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 64.247847] RIP: 0033:0x7f735010b473 # [ 64.258370<6>[ 67.673782] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO ] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb<6>[ 67.681977] lkdtm: attempting good refcount_dec() b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 <6>[ 67.693848] lkdtm: attempting bad refcount_dec() to zero 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89<4>[ 67.706326] ------------[ cut here ]------------ 54 24 18 # [ 64.286009] RSP: 002b:00007ffed71e5228 EFLAGS: 0<4>[ 67.718282] refcount_t: decrement hit 0; leaking memory. 0000246 ORIG_RAX: 0000000000000001 # [ 64.301015] RAX: ffffff<4>[ 67.730677] WARNING: CPU: 3 PID: 2143 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 ffffffffda RBX: 0000000000000016 RCX: 00007f735010b473 # [ 64<4>[ 67.746718] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table .315581] RDX: 0000000000000016 RSI: 00007f734ffff000 RDI: 000000<4>[ 67.792966] CPU: 3 PID: 2143 Comm: cat Tainted: G D W 5.10.204-cip41 #1 0000000001 # [ 64.330111] RBP: 00007f734ffff000 R08: 00007f73<4>[ 67.808366] Hardware name: Google Coral/Coral, BIOS 09/29/2020 4fffe010 R09: 0000000000000000 # [ 64.344677] R10: ffffffffff<4>[ 67.821552] RIP: 0010:refcount_warn_saturate+0xfb/0x110 fffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 64.359<4>[ 67.833764] Code: 98 d7 8d a1 c6 05 05 fb 16 02 01 e8 e9 f0 c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 68 d7 8d a1 c6 05 ec fa 16 02 01 e8 cf f0 c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 207] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000<4>[ 67.861472] RSP: 0018:ffffac804285fe48 EFLAGS: 00010286 020000 # [ 64.373793] irq event stamp: 0 # [ 64.383691] ha<4>[ 67.873880] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 rdirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.<4>[ 67.888425] RDX: ffff8df53bdac620 RSI: ffff8df53bd9bf50 RDI: ffff8df53bd9bf50 397372] hardirqs last disabled at (0): [] copy<4>[ 67.902950] RBP: ffffffffa1982b21 R08: 0000000000000000 R09: 0000000000000000 _process+0x65c/0x20e0 # [ 64.413079] softirqs last enabled a<4>[ 67.917512] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 t (0): [] copy_process+0x65c/0x20e0 # [ 64.<4>[ 67.932031] R13: ffffac804285ff10 R14: ffffac804285ff10 R15: ffff8df4c5bae000 428822] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 67.946621] FS: 00007f5572b77580(0000) GS:ffff8df53bd80000(0000) knlGS:0000000000000000 # [ 64.442367] ---[ end trace 68c4bcfb3b2027d5 ]--- # [ 64<4>[ 67.962219] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 .454093] lkdtm: Overflow detected: saturated # REFCOUNT_INC_OVE<4>[ 67.975192] CR2: 00007f5572981000 CR3: 000000010604c000 CR4: 00000000003506e0 RFLOW: saw 'call trace:': ok ok 42 selftests: lkdtm: REFCOUNT_I<4>[ 67.989734] Call Trace: NC_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # <4>[ 67.999044] ? __warn+0x80/0x110 [ 64.786175] lkdtm: Performing direct entry REFCOUNT_ADD_OVERF<4>[ 68.009225] ? refcount_warn_saturate+0xfb/0x110 LOW # [ 64.796950] lkdtm: attempting good refcount_add() with<4>[ 68.020965] ? report_bug+0x9e/0xc0 out overflow # [ 64.804208] lkdtm: attempting bad refcount_ad<4>[ 68.031415] ? handle_bug+0x41/0x90 d() overflow # [ 64.810570] ------------[ cut here ]---------<4>[ 68.041865] ? exc_invalid_op+0x14/0x70 --- # [ 64.822281] refcount_t: saturated; leaking memory. # <4>[ 68.052750] ? asm_exc_invalid_op+0x12/0x20 [ 64.828017] WARNING: CPU: 2 PID: 2041 at lib/refcount.c:22 re<4>[ 68.063989] ? refcount_warn_saturate+0xfb/0x110 fcount_warn_saturate+0x51/0x110 # [ 64.843985] Modules linked<4>[ 68.075679] ? refcount_warn_saturate+0xfb/0x110 in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charge<4>[ 68.087426] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd r cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar<4>[ 68.098793] direct_entry.cold+0x2c/0x38 cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_<4>[ 68.109876] full_proxy_write+0x56/0x80 v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videob<4>[ 68.120658] vfs_write+0xea/0x3b0 uf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress s<4>[ 68.130852] ksys_write+0x68/0xf0 nd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ <4>[ 68.141160] do_syscall_64+0x33/0x40 64.890481] CPU: 2 PID: 2041 Comm: cat Tainted: G D W <4>[ 68.151636] entry_SYSCALL_64_after_hwframe+0x62/0xc7 5.10.204-cip41 #1 # [ 64.905711] Hardware name: Google Co<4>[ 68.163971] RIP: 0033:0x7f5572a8d473 ral/Coral, BIOS 09/29/2020 # [ 64.912671] RIP: 0010:refcount<4>[ 68.174401] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 _warn_saturate+0x51/0x110 # [ 64.918845] Code: 84 bc 00 00 00<4>[ 68.202137] RSP: 002b:00007fff5cfe68a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 c3 cc cc cc cc 85 f6 74 46 80 3d a9 fb 16 02 00 75 ee 48 c7 c7 <4>[ 68.217034] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f5572a8d473 e8 d6 8d a1 c6 05 99 fb 16 02 01 e8 79 f1 c5 00 <0f> 0b c3 cc cc<4>[ 68.231682] RDX: 0000000000000012 RSI: 00007f5572981000 RDI: 0000000000000001 cc cc 80 3d 85 fb 16 02 00 75 cb 48 c7 c7 10 d7 8d # [ 64.94<4>[ 68.246112] RBP: 00007f5572981000 R08: 00007f5572980010 R09: 0000000000000000 0203] RSP: 0018:ffffac80426cfe48 EFLAGS: 00010286 # [ 64.9463<4>[ 68.260685] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 72] RAX: 0000000000000000 RBX: 000000000000002c RCX: 00000000000<4>[ 68.275212] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00000 # [ 64.960905] RDX: ffff8df53bd2c620 RSI: ffff8df53bd1b<4>[ 68.289760] irq event stamp: 0 f50 RDI: ffff8df53bd1bf50 # [ 64.969216] RBP: ffffffffa1982b0<4>[ 68.299717] hardirqs last enabled at (0): [<0000000000000000>] 0x0 b R08: 0000000000000000 R09: 0000000000000000 # [ 64.977526] <4>[ 68.313335] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001<4>[ 68.329036] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 6 # [ 64.985837] R13: ffffac80426cff10 R14: ffffac80426cff10 <4>[ 68.344745] softirqs last disabled at (0): [<0000000000000000>] 0x0 R15: ffff8df4c5943000 # [ 64.994151] FS: 00007fec37a7e580(00<4>[ 68.358298] ---[ end trace 68c4bcfb3b2027d9 ]--- 00) GS:ffff8df53bd00000(0000) knlGS:0000000000000000 # [ 65.0<6>[ 68.370026] lkdtm: Zero detected: saturated 03522] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.010272] CR2: 00007fec37888000 CR3: 00000001032de000 CR4: 00000000003506e0 # [ 65.018582] Call Trace: # [ 65.021646] ? __warn+0x80/0x110 # [ 65.025579] ? refcount_warn_saturate+0x51/0x110 # [ 65.031072] ? report_bug+0x9e/0xc0 # [ 65.035301] ? handle_bug+0x41/0x90 # [ 65.039527] ? exc_invalid_op+0x14/0x70 # [ 65.044142] ? asm_exc_invalid_op+0x12/0x20 # [ 65.049153] ? refcount_warn_saturate+0x51/0x110 # [ 65.054632] ? refcount_warn_saturate+0x51/0x110 # [ 65.060124] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 65.065812] direct_entry.cold+0x2c/0x38 # [ 65.070529] full_proxy_write+0x56/0x80 # [ 65.075149] vfs_write+0xea/0x3b0 # [ 65.079184] ksys_write+0x68/0xf0 # [ 65.083219] do_syscall_64+0x33/0x40 # [ 65.087544] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 65.093520] RIP: 0033:0x7fec37994473 # [ 65.097838] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.125437] RSP: 002b:00007ffc3fcf4b98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.134246] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fec37994473 # [ 65.142562] RDX: 0000000000000016 RSI: 00007fec37888000 RDI: 0000000000000001 # [ 65.150880] RBP: 00007fec37888000 R08: 00007fec37887010 R09: 0000000000000000 # [ 65.159196] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 65.167508] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.175834] irq event stamp: 0 # [ 65.179570] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.186907] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 65.196393] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 65.212116] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.219456] ---[ end trace 68c4bcfb3b2027d6 ]--- # [ 65.231186] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_OVERFLOW: saw 'call trace:': ok ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # [ 65.564138] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 65.575199] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 65.588684] ------------[ cut here ]------------ # [ 65.600435] refcount_t: saturated; leaking memory. # [ 65.612434] WARNING: CPU: 3 PID: 2074 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 65.628381] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 65.674753] CPU: 3 PID: 2074 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 65.689944] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 65.703128] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 65.715544] Code: 02 01 e8 56 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 64 fb 16 02 00 75 a8 48 c7 c7 e8 d6 8d a1 c6 05 54 fb 16 02 01 e8 33 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 3e fb 16 02 00 75 85 48 c7 c7 40 d7 8d # [ 65.743128] RSP: 0018:ffffac804273fe38 EFLAGS: 00010282 # [ 65.755506] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 65.770054] RDX: ffff8df53bdac620 RSI: ffff8df53bd9bf50 RDI: ffff8df53bd9bf50 # [ 65.784575] RBP: ffffffffa1982748 R08: 0000000000000000 R09: 0000000000000000 # [ 65.799<6>[ 68.751612] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE 113] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000<6>[ 68.762484] lkdtm: attempting bad refcount_dec() below zero 00001f # [ 65.813672] R13: ffffac804273ff10 R14: ffffac804273<4>[ 68.775267] ------------[ cut here ]------------ ff10 R15: ffff8df4c2915000 # [ 65.828191] FS: 00007f12cf2285<4>[ 68.786975] refcount_t: decrement hit 0; leaking memory. 80(0000) GS:ffff8df53bd80000(0000) knlGS:0000000000000000 # [ <4>[ 68.799601] WARNING: CPU: 3 PID: 2179 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 65.843836] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 #<4>[ 68.815545] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table [ 65.856869] CR2: 00007f12cf032000 CR3: 0000000103078000 CR4:<4>[ 68.861946] CPU: 3 PID: 2179 Comm: cat Tainted: G D W 5.10.204-cip41 #1 00000000003506e0 # [ 65.871658] Call Trace: # [ 65.880718<4>[ 68.877164] Hardware name: Google Coral/Coral, BIOS 09/29/2020 ] ? __warn+0x80/0x110 # [ 65.891008] ? refcount_warn_satura<4>[ 68.890350] RIP: 0010:refcount_warn_saturate+0xfb/0x110 te+0x97/0x110 # [ 65.902560] ? report_bug+0x9e/0xc0 # [ 6<4>[ 68.902747] Code: 98 d7 8d a1 c6 05 05 fb 16 02 01 e8 e9 f0 c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 68 d7 8d a1 c6 05 ec fa 16 02 01 e8 cf f0 c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 5.913062] ? handle_bug+0x41/0x90 # [ 65.923454] ? exc_inval<4>[ 68.930384] RSP: 0018:ffffac80428f7e48 EFLAGS: 00010286 id_op+0x14/0x70 # [ 65.934324] ? asm_exc_invalid_op+0x12/0x2<4>[ 68.942757] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 0 # [ 65.945519] ? refcount_warn_saturate+0x97/0x110 # [ <4>[ 68.957319] RDX: ffff8df53bdac620 RSI: ffff8df53bd9bf50 RDI: ffff8df53bd9bf50 65.957250] ? refcount_warn_saturate+0x97/0x110 # [ 65.968900<4>[ 68.971835] RBP: ffffffffa1982b33 R08: 0000000000000000 R09: 0000000000000000 ] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 65.98170<4>[ 68.986402] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 4] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 65.994<4>[ 69.000930] R13: ffffac80428f7f10 R14: ffffac80428f7f10 R15: ffff8df4c2c41000 420] direct_entry.cold+0x2c/0x38 # [ 66.005425] full_proxy_<4>[ 69.015485] FS: 00007fe1dc726580(0000) GS:ffff8df53bd80000(0000) knlGS:0000000000000000 write+0x56/0x80 # [ 66.016211] vfs_write+0xea/0x3b0 # [ 6<4>[ 69.031126] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 6.026484] ksys_write+0x68/0xf0 # [ 66.036705] do_syscall_64<4>[ 69.044140] CR2: 00007fe1dc530000 CR3: 000000010615e000 CR4: 00000000003506e0 +0x33/0x40 # [ 66.047301] entry_SYSCALL_64_after_hwframe+0x6<4>[ 69.059025] Call Trace: 2/0xc7 # [ 66.059449] RIP: 0033:0x7f12cf13e473 # [ 66.0700<4>[ 69.068231] ? __warn+0x80/0x110 32] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff <4>[ 69.078284] ? refcount_warn_saturate+0xfb/0x110 eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 0<4>[ 69.089990] ? report_bug+0x9e/0xc0 0 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 <4>[ 69.100407] ? handle_bug+0x41/0x90 89 54 24 18 # [ 66.097593] RSP: 002b:00007fffab8dd1c8 EFLAGS:<4>[ 69.110757] ? exc_invalid_op+0x14/0x70 00000246 ORIG_RAX: 0000000000000001 # [ 66.112662] RAX: ffff<4>[ 69.121691] ? asm_exc_invalid_op+0x12/0x20 ffffffffffda RBX: 000000000000001f RCX: 00007f12cf13e473 # [ <4>[ 69.132826] ? refcount_warn_saturate+0xfb/0x110 66.127148] RDX: 000000000000001f RSI: 00007f12cf032000 RDI: 0000<4>[ 69.144588] ? refcount_warn_saturate+0xfb/0x110 000000000001 # [ 66.141715] RBP: 00007f12cf032000 R08: 00007f<4>[ 69.156257] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 12cf031010 R09: 0000000000000000 # [ 66.156248] R10: ffffffff<4>[ 69.168171] direct_entry.cold+0x2c/0x38 fffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 66.1<4>[ 69.179139] full_proxy_write+0x56/0x80 70800] R13: 0000000000000001 R14: 0000000000020000 R15: 00000000<4>[ 69.189943] vfs_write+0xea/0x3b0 00020000 # [ 66.185342] irq event stamp: 0 # [ 66.195296] <4>[ 69.200191] ksys_write+0x68/0xf0 hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 6<4>[ 69.210437] do_syscall_64+0x33/0x40 6.208854] hardirqs last disabled at (0): [] co<4>[ 69.221009] entry_SYSCALL_64_after_hwframe+0x62/0xc7 py_process+0x65c/0x20e0 # [ 66.224603] softirqs last enabled<4>[ 69.233191] RIP: 0033:0x7fe1dc63c473 at (0): [] copy_process+0x65c/0x20e0 # [ 6<4>[ 69.243775] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 6.240296] softirqs last disabled at (0): [<0000000000000000>] 0x<4>[ 69.271354] RSP: 002b:00007fffada0c5d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0 # [ 66.253881] ---[ end trace 68c4bcfb3b2027d7 ]--- # [ <4>[ 69.286406] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fe1dc63c473 66.265572] lkdtm: Overflow detected: saturated # REFCOUNT_INC_N<4>[ 69.300982] RDX: 0000000000000016 RSI: 00007fe1dc530000 RDI: 0000000000000001 OT_ZERO_OVERFLOW: saw 'call trace:': ok ok 44 selftests: lkdtm:<4>[ 69.315547] RBP: 00007fe1dc530000 R08: 00007fe1dc52f010 R09: 0000000000000000 REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT<4>[ 69.330101] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 _ADD_NOT_ZERO_OVERFLOW.sh # [ 66.595100] lkdtm: Performing di<4>[ 69.344635] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 rect entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 66.603250] lkdt<4>[ 69.359189] irq event stamp: 0 m: attempting bad refcount_add_not_zero() overflow # [ 66.616<4>[ 69.369058] hardirqs last enabled at (0): [<0000000000000000>] 0x0 740] ------------[ cut here ]------------ # [ 66.628497] refc<4>[ 69.382766] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 ount_t: saturated; leaking memory. # [ 66.640437] WARNING: CP<4>[ 69.398348] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 U: 3 PID: 2107 at lib/refcount.c:19 refcount_warn_saturate+0x97/<4>[ 69.414057] softirqs last disabled at (0): [<0000000000000000>] 0x0 0x110 # [ 66.656643] Modules linked in: fuse ip_tables uvcvid<4>[ 69.427602] ---[ end trace 68c4bcfb3b2027da ]--- eo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_<6>[ 69.439361] lkdtm: Negative detected: saturated debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 66.702940] CPU: 3 PID: 2107 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 66.718381] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 66.724806] sdhci-pci 0000:00:1b.0: SDHCI controller found [8086:5aca] (rev b) # [ 66.731294] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 66.748231] platform MX98357A:00: deferred probe pending # [ 66.764505] pci 0000:00:1b.0: deferred probe pending # [ 66.764651] Code: 02 01 e8 56 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 64 fb 16 02 00 75 a8 48 c7 c7 e8 d6 8d a1 c6 05 54 fb 16 02 01 e8 33 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 3e fb 16 02 00 75 85 48 c7 c7 40 d7 8d # [ 66.804383] RSP: 0018:ffffac80427c7e38 EFLAGS: 00010282 # [ 66.816764] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 66.831342] RDX: ffff8df53bdac620 RSI: ffff8df53bd9bf50 RDI: ffff8df53bd9bf50 # [ 66.845873] RBP: ffffffffa1982768 R08: 0000000000000000 R09: 0000000000000000 # [ 66.860412] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 66.874971] R13: ffffac80427c7f10 R14: ffffac80427c7f10 R15: ffff8df4c3c2e000 # [ 66.889485] FS: 00007fe1bb87a580(0000) GS:ffff8df53bd80000(0000) knlGS:0000000000000000 # [ 66.905127] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.918089] CR2: 00007fe1bb684000 CR3: 0000000105944000 CR4: 00000000003506e0 # [ 66.932680] Call Trace: # [ 66.941994] ? __warn+0x80/0x110 # [ 66.952045] ? refcount_warn_saturate+0x97/0x110 # [ 66.963896] ? report_bug+0x9e/0xc0 # [ 66.974402] ? handle_bug+0x41/0x90 # [ 66.984683] ? exc_invalid_op+0x14/0x70 # [ 66.995577] ? asm_exc_invalid_op+0x12/0x20 # [ 67.006769] ? refcount_warn_saturate+0x97/0x110 # [ 67.018534] ? refcount_warn_saturate+0x97/0x110 # [ 67.030167] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 67.042955] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 67.055651] direct_entry.cold+0x2c/0x38 # [ 67.066645] full_proxy_write+0x56/0x80 # [ 67.077452] vfs_write+0xea/0x3b0 # [ 67.087723] ksys_write+0x68/0xf0 # [ 67.097953] do_syscall_64+0x33/0x40 # [ 67.108550] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 67.120706] RIP: 0033:0x7fe1bb790473 # [ 67.131310] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.158871] RSP: 002b:00007ffd1e5cfe18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.173932] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fe1bb790473 # [ 67.188431] RDX: 000000000000001f RSI: 00007fe1bb684000 RDI: 0000000000000001 # [ 67.203021] RBP: 00007fe1bb684000 R08: 00007fe1bb683010 R09: 0000000000000000 # [ 67.217521] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 67.232099] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.246639] irq event stamp: 0 # [ 67.256599] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.270156] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 67.285886] softirqs last enabled at (0): [[ 69.787998] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE <6>[ 69.801899] lkdtm: attempting bad refcount_dec_and_test() below zero fff9f8fd6cc>] copy_process+0x65c/0x20e0 # [ 67.301617] softir<4>[ 69.809358] ------------[ cut here ]------------ qs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.3151<4>[ 69.821065] refcount_t: underflow; use-after-free. 58] ---[ end trace 68c4bcfb3b2027d8 ]--- # [ 67.326864] lkdtm<4>[ 69.833024] WARNING: CPU: 0 PID: 2215 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 : Overflow detected: saturated # REFCOUNT_ADD_NOT_ZERO_OVERFLOW<4>[ 69.848991] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table : saw 'call trace:': ok ok 45 selftests: lkdtm: REFCOUNT_ADD_NO<4>[ 69.895470] CPU: 0 PID: 2215 Comm: cat Tainted: G D W 5.10.204-cip41 #1 T_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # <4>[ 69.910719] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 69.923907] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 69.930084] Code: 02 01 e8 33 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 3e fb 16 02 00 75 85 48 c7 c7 40 d7 8d a1 c6 05 2e fb 16 02 01 e8 10 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 19 fb 16 02 00 0f 85 5e ff ff ff 48 c7 <4>[ 69.951463] RSP: 0018:ffffac804297fe40 EFLAGS: 00010286 <4>[ 69.957637] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 <4>[ 69.965954] RDX: ffff8df53bc2c620 RSI: ffff8df53bc1bf50 RDI: ffff8df53bc1bf50 <4>[ 69.974269] RBP: ffffffffa1982788 R08: 0000000000000000 R09: 0000000000000000 <4>[ 69.982584] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 69.990899] R13: ffffac804297ff10 R14: ffffac804297ff10 R15: ffff8df4c65d8000 <4>[ 69.999217] FS: 00007fa53ebfb580(0000) GS:ffff8df53bc00000(0000) knlGS:0000000000000000 <4>[ 70.008598] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.673782] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO <4>[ 70.015357] CR2: 00007fa53ea05000 CR3: 0000000105ba6000 CR4: 00000000003506f0 <4>[ 70.029893] Call Trace: <4>[ 70.032958] ? __warn+0x80/0x110 <4>[ 70.036894] ? refcount_warn_saturate+0xba/0x110 <4>[ 70.042387] ? report_bug+0x9e/0xc0 <4>[ 70.046617] ? handle_bug+0x41/0x90 <4>[ 70.050843] ? exc_invalid_op+0x14/0x70 <4>[ 70.055453] ? asm_exc_invalid_op+0x12/0x20 <4>[ 70.060467] ? refcount_warn_saturate+0xba/0x110 <4>[ 70.065965] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 70.072434] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 <4>[ 70.078999] direct_entry.cold+0x2c/0x38 <4>[ 70.083719] full_proxy_write+0x56/0x80 # [ 67.681977] lkdtm: attempting good refcount_dec() # [ 6<4>[ 70.088339] vfs_write+0xea/0x3b0 <4>[ 70.098595] ksys_write+0x68/0xf0 7.693848] lkdtm: attempting bad refcount_dec() to zero # [ 67<4>[ 70.102633] do_syscall_64+0x33/0x40 .706326] ------------[ cut here ]------------ # [ 67.718282] <4>[ 70.113174] entry_SYSCALL_64_after_hwframe+0x62/0xc7 refcount_t: decrement hit 0; leaking memory. # [ 67.730677] W<4>[ 70.125377] RIP: 0033:0x7fa53eb11473 <4>[ 70.135927] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 70.157308] RSP: 002b:00007ffcbbe24708 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 70.166118] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fa53eb11473 <4>[ 70.174431] RDX: 000000000000001f RSI: 00007fa53ea05000 RDI: 0000000000000001 <4>[ 70.182749] RBP: 00007fa53ea05000 R08: 00007fa53ea04010 R09: 0000000000000000 <4>[ 70.191066] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 70.199379] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 70.207708] irq event stamp: 0 <4>[ 70.211448] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 70.218796] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 70.228285] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 70.237771] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 70.245111] ---[ end trace 68c4bcfb3b2027db ]--- <6>[ 70.250602] lkdtm: Negative detected: saturated ARNING: CPU: 3 PID: 2143 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 67.746718] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 67.792966] CPU: 3 PID: 2143 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 67.808366] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 67.821552] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 67.833764] Code: 98 d7 8d a1 c6 05 05 fb 16 02 01 e8 e9 f0 c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 68 d7 8d a1 c6 05 ec fa 16 02 01 e8 cf f0 c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 67.861472] RSP: 0018:ffffac804285fe48 EFLAGS: 00010286 # [ 67.873880] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 67.888425] RDX: ffff8df53bdac620 RSI: ffff8df53bd9bf50 RDI: ffff8df53bd9bf50 # [ 67.902950] RBP: ffffffffa1982b21 R08: 0000000000000000 R09: 0000000000000000 # [ 67.917512] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 67.932031] R13: ffffac804285ff10 R14: ffffac804285ff10 R15: ffff8df4c5bae000 # [ 67.946621] FS: 00007f5572b77580(0000) GS:ffff8df53bd80000(0000) knlGS:0000000000000000 # [ 67.962219] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.975192] CR2: 00007f5572981000 CR3: 000000010604c000 CR4: 00000000003506e0 # [ 67.989734] Call Trace: # [ 67.999044] ? __warn+0x80/0x110 # [ 68.009225] ? refcount_warn_saturate+0xfb/0x110 # [ 68.020965] ? report_bug+0x9e/0xc0 # [ 68.031415] ? handle_bug+0x41/0x90 # [ 68.041865] ? exc_invalid_op+0x14/0x70 # [ 68.052750] ? asm_exc_invalid_op+0x12/0x20 # [ 68.063989] ? refcount_warn_saturate+0xfb/0x110 # [ 68.075679] ? refcount_warn_saturate+0xfb/0x110 # [ 68.087426] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 68.098793] direct_entry.cold+0x2c/0x38 # [ 68.109876] full_proxy_write+0x56/0x80 # [ 68.120658] vfs_write+0xea/0x3b0 # [ 68.130852] ksys_write+0x68/0xf0 # [ 68.141160] do_syscall_64+0x33/0x40 # [ 68.151636] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 68.163971] RIP: 0033:0x7f5572a8d473 # [ 68.174401] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68.202137] RSP: 002b:00007fff5cfe68a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.217034] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f5572a8d473 # [ 68.231682] RDX: 0000000000000012 RSI: 00007f5572981000 RDI: 0000000000000001 # [ 68.246112] RBP: 00007f5572981000 R08: 00007f5572980010 R09: 0000000000000000 # [ 68.260685] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 68.275212] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.289760] irq event stamp: 0 # [ 68.299717] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.313335] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 68.329036] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 68.344745] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.358298] ---[ end trace 68c4bcfb3b2027d9 ]--- # [ 68.370026] lkdtm: Zero detected: saturated # REFCOUNT_DEC_ZERO: saw 'call trace:': ok ok 46 selft<6>[ 70.614813] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE ests: lkdtm: REFCOUNT_DEC_ZERO.sh # selftests: lkdtm: REFCOUNT_<6>[ 70.625816] lkdtm: attempting bad refcount_sub_and_test() below zero DEC_NEGATIVE.sh # [ 68.751612] lkdtm: Performing direct entry<4>[ 70.639458] ------------[ cut here ]------------ REFCOUNT_DEC_NEGATIVE # [ 68.762484] lkdtm: attempting bad r<4>[ 70.651179] refcount_t: underflow; use-after-free. efcount_dec() below zero # [ 68.775267] ------------[ cut her<4>[ 70.663184] WARNING: CPU: 3 PID: 2251 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 e ]------------ # [ 68.786975] refcount_t: decrement hit 0; l<4>[ 70.679092] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table eaking memory. # [ 68.799601] WARNING: CPU: 3 PID: 2179 at li<4>[ 70.725521] CPU: 3 PID: 2251 Comm: cat Tainted: G D W 5.10.204-cip41 #1 b/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 68.8155<4>[ 70.740714] Hardware name: Google Coral/Coral, BIOS 09/29/2020 45] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a<4>[ 70.753910] RIP: 0010:refcount_warn_saturate+0xba/0x110 cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysf<4>[ 70.766295] Code: 02 01 e8 33 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 3e fb 16 02 00 75 85 48 c7 c7 40 d7 8d a1 c6 05 2e fb 16 02 01 e8 10 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 19 fb 16 02 00 0f 85 5e ff ff ff 48 c7 s cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2<4>[ 70.793921] RSP: 0018:ffffac80429f7e40 EFLAGS: 00010286 _memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd<4>[ 70.806301] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 _soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_c<4>[ 70.820860] RDX: ffff8df53bdac620 RSI: ffff8df53bd9bf50 RDI: ffff8df53bd9bf50 ore snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore co<4>[ 70.835414] RBP: ffffffffa19827a8 R08: 0000000000000000 R09: 0000000000000000 reboot_table # [ 68.861946] CPU: 3 PID: 2179 Comm: cat Tainte<4>[ 70.849938] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f d: G D W 5.10.204-cip41 #1 # [ 68.877164] Hardwa<4>[ 70.864508] R13: ffffac80429f7f10 R14: ffffac80429f7f10 R15: ffff8df4c3c92000 re name: Google Coral/Coral, BIOS 09/29/2020 # [ 68.890350] <4>[ 70.879023] FS: 00007f32bd7c6580(0000) GS:ffff8df53bd80000(0000) knlGS:0000000000000000 RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 68.902747] Co<4>[ 70.894702] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 de: 98 d7 8d a1 c6 05 05 fb 16 02 01 e8 e9 f0 c5 00 0f 0b c3 cc <4>[ 70.907674] CR2: 00007f32bd5d0000 CR3: 0000000102c94000 CR4: 00000000003506e0 cc cc cc 48 c7 c7 68 d7 8d a1 c6 05 ec fa 16 02 01 e8 cf f0 c5 0<4>[ 70.922437] Call Trace: 0 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f <4>[ 70.931513] ? __warn+0x80/0x110 00 8b # [ 68.930384] RSP: 0018:ffffac80428f7e48 EFLAGS: 00010<4>[ 70.941891] ? refcount_warn_saturate+0xba/0x110 286 # [ 68.942757] RAX: 0000000000000000 RBX: 000000000000003<4>[ 70.953376] ? report_bug+0x9e/0xc0 0 RCX: 0000000000000000 # [ 68.957319] RDX: ffff8df53bdac620 <4>[ 70.963936] ? handle_bug+0x41/0x90 RSI: ffff8df53bd9bf50 RDI: ffff8df53bd9bf50 # [ 68.971835] RB<4>[ 70.974256] ? exc_invalid_op+0x14/0x70 P: ffffffffa1982b33 R08: 0000000000000000 R09: 0000000000000000 <4>[ 70.985144] ? asm_exc_invalid_op+0x12/0x20 # [ 68.986402] R10: 00000000ffffe000 R11: 3fffffffffffffff R1<4>[ 70.996388] ? refcount_warn_saturate+0xba/0x110 2: 0000000000000016 # [ 69.000930] R13: ffffac80428f7f10 R14:<4>[ 71.008038] __refcount_sub_and_test.constprop.0+0x3c/0x50 ffffac80428f7f10 R15: ffff8df4c2c41000 # [ 69.015485] FS: 0<4>[ 71.020847] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b 0007fe1dc726580(0000) GS:ffff8df53bd80000(0000) knlGS:0000000000<4>[ 71.033647] direct_entry.cold+0x2c/0x38 000000 # [ 69.031126] CS: 0010 DS: 0000 ES: 0000 CR0: 000000<4>[ 71.044571] full_proxy_write+0x56/0x80 0080050033 # [ 69.044140] CR2: 00007fe1dc530000 CR3: 00000001<4>[ 71.055411] vfs_write+0xea/0x3b0 0615e000 CR4: 00000000003506e0 # [ 69.059025] Call Trace: # <4>[ 71.065646] ksys_write+0x68/0xf0 [ 69.068231] ? __warn+0x80/0x110 # [ 69.078284] ? refcoun<4>[ 71.075933] do_syscall_64+0x33/0x40 t_warn_saturate+0xfb/0x110 # [ 69.089990] ? report_bug+0x9e/<4>[ 71.086488] entry_SYSCALL_64_after_hwframe+0x62/0xc7 0xc0 # [ 69.100407] ? handle_bug+0x41/0x90 # [ 69.110757]<4>[ 71.098712] RIP: 0033:0x7f32bd6dc473 ? exc_invalid_op+0x14/0x70 # [ 69.121691] ? asm_exc_invali<4>[ 71.109243] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 d_op+0x12/0x20 # [ 69.132826] ? refcount_warn_saturate+0xfb/<4>[ 71.136844] RSP: 002b:00007fff2a04ce08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0x110 # [ 69.144588] ? refcount_warn_saturate+0xfb/0x110 # <4>[ 71.151917] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f32bd6dc473 [ 69.156257] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 69.<4>[ 71.166349] RDX: 000000000000001f RSI: 00007f32bd5d0000 RDI: 0000000000000001 168171] direct_entry.cold+0x2c/0x38 # [ 69.179139] full_pro<4>[ 71.180852] RBP: 00007f32bd5d0000 R08: 00007f32bd5cf010 R09: 0000000000000000 xy_write+0x56/0x80 # [ 69.189943] vfs_write+0xea/0x3b0 # [ <4>[ 71.195350] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 69.200191] ksys_write+0x68/0xf0 # [ 69.210437] do_syscall<4>[ 71.209887] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 _64+0x33/0x40 # [ 69.221009] entry_SYSCALL_64_after_hwframe+<4>[ 71.224471] irq event stamp: 0 0x62/0xc7 # [ 69.233191] RIP: 0033:0x7fe1dc63c473 # [ 69.2<4>[ 71.234382] hardirqs last enabled at (0): [<0000000000000000>] 0x0 43775] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff <4>[ 71.247952] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 0<4>[ 71.263673] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 0 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 <4>[ 71.279371] softirqs last disabled at (0): [<0000000000000000>] 0x0 48 89 54 24 18 # [ 69.271354] RSP: 002b:00007fffada0c5d8 EFLA<4>[ 71.292985] ---[ end trace 68c4bcfb3b2027dc ]--- GS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.286406] RAX: f<6>[ 71.304693] lkdtm: Negative detected: saturated fffffffffffffda RBX: 0000000000000016 RCX: 00007fe1dc63c473 # [ 69.300982] RDX: 0000000000000016 RSI: 00007fe1dc530000 RDI: 0000000000000001 # [ 69.315547] RBP: 00007fe1dc530000 R08: 00007fe1dc52f010 R09: 0000000000000000 # [ 69.330101] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 69.344635] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.359189] irq event stamp: 0 # [ 69.369058] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.382766] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 69.398348] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 69.414057] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.427602] ---[ end trace 68c4bcfb3b2027da ]--- # [ 69.439361] lkdtm: Negative detected: saturated # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # [ 69.787998] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 69.801899] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 69.809358] ------------[ cut here ]------------ # [ 69.821065] refcount_t: underflow; use-after-free. # [ 69.833024] WARNING: CPU: 0 PID: 2215 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 69.848991] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 69.895470] CPU: 0 PID: 2215 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 69.910719] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 69.923907] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 69.930084] Code: 02 01 e8 33 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 3e fb 16 02 00 75 85 48 c7 c7 40 d7 8d a1 c6 05 2e fb 16 02 01 e8 10 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 19 fb 16 02 00 0f 85 5e ff ff ff 48 c7 # [ 69.951463] RSP: 0018:ffffac804297fe40 EFLAGS: 00010286 # [ 69.957637] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 69.965954] RDX: ffff8df53bc2c620 RSI: ffff8df53bc1bf50 RDI: ffff8df53bc1bf50 # [ 69.974269] RBP: ffffffffa1982788 R08: 0000000000000000 R09: 0000000000000000 # [ 69.982584] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 69.990899] R13: ffffac804297ff10 R14: ffffac804297ff10 R15: ffff8df4c65d8000 # [ 69.999217] FS: 00007fa53ebfb580(0000) GS:ffff8df53bc00000(0000) knlGS:0000000000000000 # [ 70.008598] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.015357] CR2: 00007fa53ea05000 CR3: 0000000105ba6000 CR4: 00000000003506f0 # [ 70.029893] Call Trace: # [ 70.032958] ? __warn+0x80/0x110 # [ 70.036894] ? refcount_warn_saturate+0xba/0x110 # [ 70.042387] ? report_bug+0x9e/0xc0 # [ 70.046617] ? handle_bug+0x41/0x90 # [ 70.050843] ? exc_invalid_op+0x14/0x70 # [ 70.055453] ? asm_exc_invalid_op+0x12/0x20 # [ 70.060467] ? refcount_warn_saturate+0xba/0x110 # [ 70.065965] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 70.072434] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 70.078999] direct_entry<6>[ 71.653893] lkdtm: Performing direct entry REFCOUNT_INC_ZERO <6>[ 71.666102] lkdtm: attempting safe refcount_inc_not_zero() from zero <6>[ 71.673563] lkdtm: Good: zero detected <6>[ 71.678086] lkdtm: Correctly stayed at zero .cold+0x2c/0x38 # [ 70.083719] full_proxy_write+0x56/0x80 #<6>[ 71.683088] lkdtm: attempting bad refcount_inc() from zero <4>[ 71.695788] ------------[ cut here ]------------ [ 70.088339] vfs_write+0xea/0x3b0 # [ 70.098595] ksys_wr<4>[ 71.701278] refcount_t: addition on 0; use-after-free. ite+0x68/0xf0 # [ 70.102633] do_syscall_64+0x33/0x40 # [ <4>[ 71.713637] WARNING: CPU: 1 PID: 2284 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 70.113174] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 70.1<4>[ 71.729647] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table 25377] RIP: 0033:0x7fa53eb11473 # [ 70.135927] Code: 8b 15 21<4>[ 71.776183] CPU: 1 PID: 2284 Comm: cat Tainted: G D W 5.10.204-cip41 #1 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 <4>[ 71.791462] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 71.804646] RIP: 0010:refcount_warn_saturate+0x74/0x110 <4>[ 71.810824] Code: 02 01 e8 79 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 85 fb 16 02 00 75 cb 48 c7 c7 10 d7 8d a1 c6 05 75 fb 16 02 01 e8 56 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 64 fb 16 02 00 75 a8 48 c7 c7 e8 d6 8d 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00<4>[ 71.832198] RSP: 0018:ffffac8042a87e48 EFLAGS: 00010286 <4>[ 71.844607] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 <4>[ 71.852932] RDX: ffff8df53bcac620 RSI: ffff8df53bc9bf50 RDI: ffff8df53bc9bf50 <4>[ 71.861264] RBP: ffffffffa1982b49 R08: 0000000000000000 R09: 0000000000000000 <4>[ 71.869584] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 <4>[ 71.877904] R13: ffffac8042a87f10 R14: ffffac8042a87f10 R15: ffff8df4c3aac000 <4>[ 71.886227] FS: 00007f96d7155580(0000) GS:ffff8df53bc80000(0000) knlGS:0000000000000000 <4>[ 71.895619] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ <4>[ 71.902382] CR2: 00007f96d6f5f000 CR3: 0000000103078000 CR4: 00000000003506e0 <4>[ 71.916932] Call Trace: <4>[ 71.920009] ? __warn+0x80/0x110 <4>[ 71.923952] ? refcount_warn_saturate+0x74/0x110 <4>[ 71.929452] ? report_bug+0x9e/0xc0 <4>[ 71.933693] ? handle_bug+0x41/0x90 <4>[ 71.937929] ? exc_invalid_op+0x14/0x70 <4>[ 71.942553] ? asm_exc_invalid_op+0x12/0x20 <4>[ 71.947574] ? refcount_warn_saturate+0x74/0x110 <4>[ 71.953076] ? refcount_warn_saturate+0x74/0x110 <4>[ 71.958575] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 <4>[ 71.963894] direct_entry.cold+0x2c/0x38 70.157308] RSP: 002b:00007ffcbbe24708 EFLAGS: 00000246 ORIG_RAX<4>[ 71.968627] full_proxy_write+0x56/0x80 : 0000000000000001 # [ 70.166118] RAX: ffffffffffffffda RBX: <4>[ 71.979482] vfs_write+0xea/0x3b0 <4>[ 71.989747] ksys_write+0x68/0xf0 <4>[ 71.993795] do_syscall_64+0x33/0x40 <4>[ 71.998132] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 72.004121] RIP: 0033:0x7f96d706b473 <4>[ 72.008451] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 72.029830] RSP: 002b:00007fff60bc1088 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 72.038646] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f96d706b473 <4>[ 72.046966] RDX: 0000000000000012 RSI: 00007f96d6f5f000 RDI: 0000000000000001 <4>[ 72.055288] RBP: 00007f96d6f5f000 R08: 00007f96d6f5e010 R09: 0000000000000000 <4>[ 72.063611] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 72.071934] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 72.080278] irq event stamp: 0 <4>[ 72.084020] hardirqs last enabled at (0): [<0000000000000000>] 0x0 000000000000001f RCX: 00007fa53eb11473 # [ 70.174431] RDX: 00<4>[ 72.091371] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 72.107091] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 72.116583] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 72.123924] ---[ end trace 68c4bcfb3b2027dd ]--- 0000000000001f RSI: 00007fa53ea05000 RDI: 0000000000000001 # [ <6>[ 72.129419] lkdtm: Zero detected: saturated 70.182749] RBP: 00007fa53ea05000 R08: 00007fa53ea04010 R09: 0000000000000000 # [ 70.191066] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 70.199379] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.207708] irq event stamp: 0 # [ 70.211448] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.218796] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 70.228285] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 70.237771] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.245111] ---[ end trace 68c4bcfb3b2027db ]--- # [ 70.250602] lkdtm: Negative detected: saturated # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # [ 70.614813] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 70.625816] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 70.639458] ------------[ cut here ]------------ # [ 70.651179] refcount_t: underflow; use-after-free. # [ 70.663184] WARNING: CPU: 3 PID: 2251 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 70.679092] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 70.725521] CPU: 3 PID: 2251 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 70.740714] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 70.753910] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 70.766295] Code: 02 01 e8 33 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 3e fb 16 02 00 75 85 48 c7 c7 40 d7 8d a1 c6 05 2e fb 16 02 01 e8 10 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 19 fb 16 02 00 0f 85 5e ff ff ff 48 c7 # [ 70.793921] RSP: 0018:ffffac80429f7e40 EFLAGS: 00010286 # [ 70.806301] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 70.820860] RDX: ffff8df53bdac620 RSI: ffff8df53bd9bf50 RDI: ffff8df53bd9bf50 # [ 70.835414] RBP: ffffffffa19827a8 R08: 0000000000000000 R09: 0000000000000000 # [ 70.849938] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 70.864508] R13: ffffac80429f7f10 R14: ffffac80429f7f10 R15: ffff8df4c3c92000 # [ 70.879023] FS: 00007f32bd7c6580(0000) GS:ffff8df53bd80000(0000) knlGS:0000000000000000 # [ 70.894702] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.907674] CR2: 00007f32bd5d0000 CR3: 0000000102c94000 CR4: 00000000003506e0 # [ 70.922437] Call Trace: # [ 70.931513] ? __warn+0x80/0x110 # [ 70.941891] ? refcount_warn_saturate+0xba/0x110 # [ 70.953376] ? report_bug+0x9e/0xc0 # [ 70.963936] ? handle_bug+0x41/0x90 # [ 70.974256] ? exc_invalid_op+0x14/0x70 # [ 70.985144] ? asm_exc_invalid_op+0x12/0x20 # [ 70.996388] ? refcount_warn_saturate+0xba/0x110 # [ 71.008038] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 71.020847] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 71.033647] direct_entry.cold+0x2c/0x38 # [ 71.044571] full_proxy_write+0x56/0x80 # [ 71.055411] vfs_write+0xea/0x3b0 # [ 71.065646] ksys_write<6>[ 72.483231] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO +0x68/0xf0 # [ 71.075933] do_syscall_64+0x33/0x40 # [ 71.<6>[ 72.490559] lkdtm: attempting safe refcount_add_not_zero() from zero 086488] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 71.0987<6>[ 72.504233] lkdtm: Good: zero detected 12] RIP: 0033:0x7f32bd6dc473 # [ 71.109243] Code: 8b 15 21 2a<6>[ 72.514958] lkdtm: Correctly stayed at zero 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b <6>[ 72.526182] lkdtm: attempting bad refcount_add() from zero 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0<4>[ 72.538932] ------------[ cut here ]------------ ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 71<4>[ 72.550638] refcount_t: addition on 0; use-after-free. .136844] RSP: 002b:00007fff2a04ce08 EFLAGS: 00000246 ORIG_RAX: 0<4>[ 72.562978] WARNING: CPU: 3 PID: 2317 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 000000000000001 # [ 71.151917] RAX: ffffffffffffffda RBX: 000<4>[ 72.578951] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table 000000000001f RCX: 00007f32bd6dc473 # [ 71.166349] RDX: 00000<4>[ 72.625384] CPU: 3 PID: 2317 Comm: cat Tainted: G D W 5.10.204-cip41 #1 0000000001f RSI: 00007f32bd5d0000 RDI: 0000000000000001 # [ 7<4>[ 72.640585] Hardware name: Google Coral/Coral, BIOS 09/29/2020 1.180852] RBP: 00007f32bd5d0000 R08: 00007f32bd5cf010 R09: 00000<4>[ 72.653784] RIP: 0010:refcount_warn_saturate+0x74/0x110 00000000000 # [ 71.195350] R10: fffffffffffffbc5 R11: 0000000<4>[ 72.666168] Code: 02 01 e8 79 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 85 fb 16 02 00 75 cb 48 c7 c7 10 d7 8d a1 c6 05 75 fb 16 02 01 e8 56 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 64 fb 16 02 00 75 a8 48 c7 c7 e8 d6 8d 000000246 R12: 0000000000000001 # [ 71.209887] R13: 000000000<4>[ 72.693802] RSP: 0018:ffffac8042b07e48 EFLAGS: 00010286 0000001 R14: 0000000000020000 R15: 0000000000020000 # [ 71.22<4>[ 72.706182] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 4471] irq event stamp: 0 # [ 71.234382] hardirqs last enable<4>[ 72.720750] RDX: ffff8df53bdac620 RSI: ffff8df53bd9bf50 RDI: ffff8df53bd9bf50 d at (0): [<0000000000000000>] 0x0 # [ 71.247952] hardirqs la<4>[ 72.735290] RBP: ffffffffa1982b5b R08: 0000000000000000 R09: 0000000000000000 st disabled at (0): [] copy_process+0x65c/0x20<4>[ 72.749855] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 e0 # [ 71.263673] softirqs last enabled at (0): [[ 72.764389] R13: ffffac8042b07f10 R14: ffffac8042b07f10 R15: ffff8df4c6206000 8fd6cc>] copy_process+0x65c/0x20e0 # [ 71.279371] softirqs la<4>[ 72.778986] FS: 00007f6034d57580(0000) GS:ffff8df53bd80000(0000) knlGS:0000000000000000 st disabled at (0): [<0000000000000000>] 0x0 # [ 71.292985] -<4>[ 72.794829] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 --[ end trace 68c4bcfb3b2027dc ]--- # [ 71.304693] lkdtm: Neg<4>[ 72.807560] CR2: 00007f6034b61000 CR3: 00000001064d2000 CR4: 00000000003506e0 ative detected: saturated # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw<4>[ 72.822292] Call Trace: 'Negative detected: saturated': ok ok 49 selftests: lkdtm: REF<4>[ 72.831542] ? __warn+0x80/0x110 COUNT_SUB_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_INC<4>[ 72.841562] ? refcount_warn_saturate+0x74/0x110 _ZERO.sh # [ 71.653893] lkdtm: Performing direct entry REFCOU<4>[ 72.853291] ? report_bug+0x9e/0xc0 NT_INC_ZERO # [ 71.666102] lkdtm: attempting safe refcount_in<4>[ 72.863903] ? handle_bug+0x41/0x90 c_not_zero() from zero # [ 71.673563] lkdtm: Good: zero detec<4>[ 72.874286] ? exc_invalid_op+0x14/0x70 ted # [ 71.678086] lkdtm: Correctly stayed at zero # [ 71.<4>[ 72.885115] ? asm_exc_invalid_op+0x12/0x20 683088] lkdtm: attempting bad refcount_inc() from zero # [ 71<4>[ 72.896368] ? refcount_warn_saturate+0x74/0x110 .695788] ------------[ cut here ]------------ # [ 71.701278] <4>[ 72.908077] ? refcount_warn_saturate+0x74/0x110 refcount_t: addition on 0; use-after-free. # [ 71.713637] WAR<4>[ 72.919752] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 NING: CPU: 1 PID: 2284 at lib/refcount.c:25 refcount_warn_satura<4>[ 72.931375] direct_entry.cold+0x2c/0x38 te+0x74/0x110 # [ 71.729647] Modules linked in: fuse ip_table<4>[ 72.942247] full_proxy_write+0x56/0x80 s uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev <4>[ 72.953100] vfs_write+0xea/0x3b0 cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger<4>[ 72.963358] ksys_write+0x68/0xf0 videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_<4>[ 72.973608] do_syscall_64+0x33/0x40 temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_us<4>[ 72.984151] entry_SYSCALL_64_after_hwframe+0x62/0xc7 bpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine r<4>[ 72.996336] RIP: 0033:0x7f6034c6d473 egmap_i2c chromeos_pstore coreboot_table # [ 71.776183] CPU: <4>[ 73.006749] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 1 PID: 2284 Comm: cat Tainted: G D W 5.10.204-cip41<4>[ 73.034399] RSP: 002b:00007ffc3ba3d558 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 #1 # [ 71.791462] Hardware name: Google Coral/Coral, BIOS 0<4>[ 73.049378] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f6034c6d473 9/29/2020 # [ 71.804646] RIP: 0010:refcount_warn_saturate+0x7<4>[ 73.063897] RDX: 0000000000000012 RSI: 00007f6034b61000 RDI: 0000000000000001 4/0x110 # [ 71.810824] Code: 02 01 e8 79 f1 c5 00 0f 0b c3 cc<4>[ 73.078480] RBP: 00007f6034b61000 R08: 00007f6034b60010 R09: 0000000000000000 cc cc cc 80 3d 85 fb 16 02 00 75 cb 48 c7 c7 10 d7 8d a1 c6 05 <4>[ 73.092982] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 75 fb 16 02 01 e8 56 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 64 fb<4>[ 73.107546] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 16 02 00 75 a8 48 c7 c7 e8 d6 8d # [ 71.832198] RSP: 0018:ff<4>[ 73.122095] irq event stamp: 0 ffac8042a87e48 EFLAGS: 00010286 # [ 71.844607] RAX: 000000000<4>[ 73.132096] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 71.85<4>[ 73.145652] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 2932] RDX: ffff8df53bcac620 RSI: ffff8df53bc9bf50 RDI: ffff8df53<4>[ 73.161379] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 bc9bf50 # [ 71.861264] RBP: ffffffffa1982b49 R08: 00000000000<4>[ 73.177074] softirqs last disabled at (0): [<0000000000000000>] 0x0 00000 R09: 0000000000000000 # [ 71.869584] R10: 00000000ffffe<4>[ 73.190608] ---[ end trace 68c4bcfb3b2027de ]--- 000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 71.877904<6>[ 73.202363] lkdtm: Zero detected: saturated ] R13: ffffac8042a87f10 R14: ffffac8042a87f10 R15: ffff8df4c3aac000 # [ 71.886227] FS: 00007f96d7155580(0000) GS:ffff8df53bc80000(0000) knlGS:0000000000000000 # [ 71.895619] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 71.902382] CR2: 00007f96d6f5f000 CR3: 0000000103078000 CR4: 00000000003506e0 # [ 71.916932] Call Trace: # [ 71.920009] ? __warn+0x80/0x110 # [ 71.923952] ? refcount_warn_saturate+0x74/0x110 # [ 71.929452] ? report_bug+0x9e/0xc0 # [ 71.933693] ? handle_bug+0x41/0x90 # [ 71.937929] ? exc_invalid_op+0x14/0x70 # [ 71.942553] ? asm_exc_invalid_op+0x12/0x20 # [ 71.947574] ? refcount_warn_saturate+0x74/0x110 # [ 71.953076] ? refcount_warn_saturate+0x74/0x110 # [ 71.958575] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 71.963894] direct_entry.cold+0x2c/0x38 # [ 71.968627] full_proxy_write+0x56/0x80 # [ 71.979482] vfs_write+0xea/0x3b0 # [ 71.989747] ksys_write+0x68/0xf0 # [ 71.993795] do_syscall_64+0x33/0x40 # [ 71.998132] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 72.004121] RIP: 0033:0x7f96d706b473 # [ 72.008451] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 72.029830] RSP: 002b:00007fff60bc1088 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 72.038646] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f96d706b473 # [ 72.046966] RDX: 0000000000000012 RSI: 00007f96d6f5f000 RDI: 0000000000000001 # [ 72.055288] RBP: 00007f96d6f5f000 R08: 00007f96d6f5e010 R09: 0000000000000000 # [ 72.063611] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 72.071934] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 72.080278] irq event stamp: 0 # [ 72.084020] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 72.091371] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 72.107091] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 72.116583] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 72.123924] ---[ end trace 68c4bcfb3b2027dd ]--- # [ 72.129419] lkdtm: Zero detected: saturated # REFCOUNT_INC_ZERO: saw 'call trace:': ok ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh # selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # [ 72.483231] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 72.490559] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 72.504233] lkdtm: Good: zero detected # [ 72.514958] lkdtm: Correctly stayed at zero # [ 72.526182] lkdtm: attempting bad refcount_add() from zero # [ 72.538932] ------------[ cut here ]------------ # [ 72.550638] refcount_t: addition on 0; use-after-free. # [ 72.562978] WARNING: CPU: 3 PID: 2317 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 72.578951] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 72.625384] CPU: 3 PID: 2317 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 72.640585] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 72.653784] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 72.666168] Code: 02 01 e8 79 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 85 fb 16 02 00 75 cb 48 c7 c7 10 d7 8d a1 c6 05 75 fb 16 02 01 e8 56 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 64 fb 16 02 00 75 a8 48 c7 c7 e8 d6 8d # [ 72.693802] RSP: 0018:ffffac8042b07e48 EFLAGS: 00010286 # [ 72.706182] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 72.7<6>[ 73.597773] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED 20750] RDX: ffff8df53bdac620 RSI: ffff8df53bd9bf50 RDI: ffff8df5<6>[ 73.607322] lkdtm: attempting bad refcount_inc() from saturated 3bd9bf50 # [ 72.735290] RBP: ffffffffa1982b5b R08: 0000000000<4>[ 73.620520] ------------[ cut here ]------------ 000000 R09: 0000000000000000 # [ 72.749855] R10: 00000000ffff<4>[ 73.632225] refcount_t: saturated; leaking memory. e000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 72.76438<4>[ 73.644182] WARNING: CPU: 3 PID: 2353 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 9] R13: ffffac8042b07f10 R14: ffffac8042b07f10 R15: ffff8df4c620<4>[ 73.660203] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table 6000 # [ 72.778986] FS: 00007f6034d57580(0000) GS:ffff8df53b<4>[ 73.706585] CPU: 3 PID: 2353 Comm: cat Tainted: G D W 5.10.204-cip41 #1 d80000(0000) knlGS:0000000000000000 # [ 72.794829] CS: 0010 <4>[ 73.721791] Hardware name: Google Coral/Coral, BIOS 09/29/2020 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 72.807560] CR2: 0<4>[ 73.734977] RIP: 0010:refcount_warn_saturate+0x51/0x110 0007f6034b61000 CR3: 00000001064d2000 CR4: 00000000003506e0 # [<4>[ 73.747405] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d a9 fb 16 02 00 75 ee 48 c7 c7 e8 d6 8d a1 c6 05 99 fb 16 02 01 e8 79 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 85 fb 16 02 00 75 cb 48 c7 c7 10 d7 8d 72.822292] Call Trace: # [ 72.831542] ? __warn+0x80/0x110<4>[ 73.774999] RSP: 0018:ffffac8042b8fe48 EFLAGS: 00010286 # [ 72.841562] ? refcount_warn_saturate+0x74/0x110 # [ 7<4>[ 73.787387] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 2.853291] ? report_bug+0x9e/0xc0 # [ 72.863903] ? handle_bu<4>[ 73.801945] RDX: ffff8df53bdac620 RSI: ffff8df53bd9bf50 RDI: ffff8df53bd9bf50 g+0x41/0x90 # [ 72.874286] ? exc_invalid_op+0x14/0x70 # [ <4>[ 73.816478] RBP: ffffffffa1982b6d R08: 0000000000000000 R09: 0000000000000000 72.885115] ? asm_exc_invalid_op+0x12/0x20 # [ 72.896368] ?<4>[ 73.831023] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 refcount_warn_saturate+0x74/0x110 # [ 72.908077] ? refcount<4>[ 73.845598] R13: ffffac8042b8ff10 R14: ffffac8042b8ff10 R15: ffff8df4c57c9000 _warn_saturate+0x74/0x110 # [ 72.919752] lkdtm_REFCOUNT_ADD_<4>[ 73.860120] FS: 00007f2799a74580(0000) GS:ffff8df53bd80000(0000) knlGS:0000000000000000 ZERO+0x99/0xc1 # [ 72.931375] direct_entry.cold+0x2c/0x38 #<4>[ 73.875757] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.942247] full_proxy_write+0x56/0x80 # [ 72.953100] v<4>[ 73.888774] CR2: 00007f279987e000 CR3: 00000001056b6000 CR4: 00000000003506e0 fs_write+0xea/0x3b0 # [ 72.963358] ksys_write+0x68/0xf0 # [<4>[ 73.903630] Call Trace: 72.973608] do_syscall_64+0x33/0x40 # [ 72.984151] entry_<4>[ 73.912670] ? __warn+0x80/0x110 SYSCALL_64_after_hwframe+0x62/0xc7 # [ 72.996336] RIP: 0033:0<4>[ 73.922933] ? refcount_warn_saturate+0x51/0x110 x7f6034c6d473 # [ 73.006749] Code: 8b 15 21 2a 0e 00 f7 d8 64<4>[ 73.934657] ? report_bug+0x9e/0xc0 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 <4>[ 73.945100] ? handle_bug+0x41/0x90 <4>[ 73.955401] ? exc_invalid_op+0x14/0x70 <4>[ 73.960120] ? asm_exc_invalid_op+0x12/0x20 <4>[ 73.965173] ? refcount_warn_saturate+0x51/0x110 <4>[ 73.970809] ? refcount_warn_saturate+0x51/0x110 <4>[ 73.976359] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 <4>[ 73.982349] direct_entry.cold+0x2c/0x38 <4>[ 73.987165] full_proxy_write+0x56/0x80 <4>[ 73.992011] vfs_write+0xea/0x3b0 <4>[ 73.996247] ksys_write+0x68/0xf0 <4>[ 74.000535] do_syscall_64+0x33/0x40 <4>[ 74.005040] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 74.011223] RIP: 0033:0x7f279998a473 <4>[ 74.015599] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 74.037161] RSP: 002b:00007ffce908d708 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 74.046105] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f279998a473 <4>[ 74.054582] RDX: 0000000000000017 RSI: 00007f279987e000 RDI: 0000000000000001 <4>[ 74.063038] RBP: 00007f279987e000 R08: 00007f279987d010 R09: 0000000000000000 <4>[ 74.071498] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 74.079927] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 74.088409] irq event stamp: 0 <4>[ 74.092250] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 74.099703] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 74.109275] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 74.118798] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 74.126203] ---[ end trace 68c4bcfb3b2027df ]--- <6>[ 74.131701] lkdtm: Saturation detected: still saturated 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 73.034399] RSP: 002b:00007ffc3ba3d558 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 73.049378] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f6034c6d473 # [ 73.063897] RDX: 0000000000000012 RSI: 00007f6034b61000 RDI: 0000000000000001 # [ 73.078480] RBP: 00007f6034b61000 R08: 00007f6034b60010 R09: 0000000000000000 # [ 73.092982] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 73.107546] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 73.122095] irq event stamp: 0 # [ 73.132096] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 73.145652] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 73.161379] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 73.177074] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 73.190608] ---[ end trace 68c4bcfb3b2027de ]--- # [ 73.202363] lkdtm: Zero detected: saturated # REFCOUNT_ADD_ZERO: saw 'call trace:': ok ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # [ 73.597773] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 73.607322] lkdtm: attempting bad refcount_inc() from saturated # [ 73.620520] ------------[ cut here ]------------ # [ 73.632225] refcount_t: saturated; leaking memory. # [ 73.644182] WARNING: CPU: 3 PID: 2353 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 73.660203] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 73.706585] CPU: 3 PID: 2353 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 73.721791] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 73.734977] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 73.747405] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d a9 fb 16 02 00 75 ee 48 c7 c7 e8 d6 8d a1 c6 05 99 fb 16 02 01 e8 79 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 85 fb 16 02 00 75 cb 48 c7 c7 10 d7 8d # [ 73.774999] RSP: 0018:ffffac8042b8fe48 EFLAGS: 00010286 # [ 73.787387] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 73.801945] RDX: ffff8df53bdac620 RSI: ffff8df53bd9bf50 RDI: ffff8df53bd9bf50 # [ 73.816478] RBP: ffffffffa1982b6d R08: 0000000000000000 R09: 0000000000000000 # [ 73.831023] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 73.845598] R13: ffffac8042b8ff10 R14: ffffac8042b8ff10 R15: ffff8df4c57c9000 # [ 73.860120] FS: 00007f2799a74580(0000) GS:ffff8df53bd80000(0000) knlGS:0000000000000000 # [ 73.875757] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 73.888774] CR2: 00007f279987e000 CR3: 00000001056b6000 CR4: 00000000003506e0 # [ 73.903630] Call Trace: # [ 73.912670] ? __warn+0x80/0x110 # [ 73.922933] ? refcount_warn_saturate+0x51/0x110 # [ 73.934657] ? report_bug+0x9e/0xc0 # [ 73.945100] ? handle_bug+0x41/0x90 # [ 73.955401] ? exc_invalid_op+0x14/0x70 # [ 73.960120] ? asm_exc_invalid_op+0x12/0x20 # [ 73.965173] ? refcount_warn_saturate+0x51/0x110 # [ 73.970809] ? refcount_warn_saturate+0x51/0x110 # [ 73.976359] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 73.<6>[ 74.490876] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED 982349] direct_entry.cold+0x2c/0x38 # [ 73.987165] full_pro<6>[ 74.500633] lkdtm: attempting bad refcount_dec() from saturated xy_write+0x56/0x80 # [ 73.992011] vfs_write+0xea/0x3b0 # [ <4>[ 74.513841] ------------[ cut here ]------------ 73.996247] ksys_write+0x68/0xf0 # [ 74.000535] do_syscall<4>[ 74.525548] refcount_t: decrement hit 0; leaking memory. _64+0x33/0x40 # [ 74.005040] entry_SYSCALL_64_after_hwframe+<4>[ 74.538091] WARNING: CPU: 3 PID: 2389 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 0x62/0xc7 # [ 74.011223] RIP: 0033:0x7f279998a473 # [ 74.0<4>[ 74.554115] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table 15599] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff <4>[ 74.600538] CPU: 3 PID: 2389 Comm: cat Tainted: G D W 5.10.204-cip41 #1 ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 0<4>[ 74.615702] Hardware name: Google Coral/Coral, BIOS 09/29/2020 0 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 <4>[ 74.628889] RIP: 0010:refcount_warn_saturate+0xfb/0x110 48 89 54 24 18 # [ 74.037161] RSP: 002b:00007ffce908d708 EFLA<4>[ 74.641311] Code: 98 d7 8d a1 c6 05 05 fb 16 02 01 e8 e9 f0 c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 68 d7 8d a1 c6 05 ec fa 16 02 01 e8 cf f0 c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b GS: 00000246 ORIG_RAX: 0000000000000001 # [ 74.046105] RAX: f<4>[ 74.668906] RSP: 0018:ffffac8042c2fe48 EFLAGS: 00010286 fffffffffffffda RBX: 0000000000000017 RCX: 00007f279998a473 # [<4>[ 74.681290] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 74.054582] RDX: 0000000000000017 RSI: 00007f279987e000 RDI: 0<4>[ 74.695840] RDX: ffff8df53bdac620 RSI: ffff8df53bd9bf50 RDI: ffff8df53bd9bf50 000000000000001 # [ 74.063038] RBP: 00007f279987e000 R08: 000<4>[ 74.710419] RBP: ffffffffa1982b84 R08: 0000000000000000 R09: 0000000000000000 07f279987d010 R09: 0000000000000000 # [ 74.071498] R10: fffff<4>[ 74.724937] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 ffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 7<4>[ 74.739505] R13: ffffac8042c2ff10 R14: ffffac8042c2ff10 R15: ffff8df4c3354000 4.079927] R13: 0000000000000001 R14: 0000000000020000 R15: 00000<4>[ 74.754036] FS: 00007fda172a0580(0000) GS:ffff8df53bd80000(0000) knlGS:0000000000000000 00000020000 # [ 74.088409] irq event stamp: 0 # [ 74.09225<4>[ 74.769673] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ <4>[ 74.782691] CR2: 00007fda170aa000 CR3: 0000000102644000 CR4: 00000000003506e0 74.099703] hardirqs last disabled at (0): []<4>[ 74.797496] Call Trace: copy_process+0x65c/0x20e0 # [ 74.109275] softirqs last enab<4>[ 74.806567] ? __warn+0x80/0x110 led at (0): [] copy_process+0x65c/0x20e0 # [ <4>[ 74.816864] ? refcount_warn_saturate+0xfb/0x110 74.118798] softirqs last disabled at (0): [<0000000000000000>]<4>[ 74.828421] ? report_bug+0x9e/0xc0 0x0 # [ 74.126203] ---[ end trace 68c4bcfb3b2027df ]--- # [<4>[ 74.839000] ? handle_bug+0x41/0x90 74.131701] lkdtm: Saturation detected: still saturated # REF<4>[ 74.849325] ? exc_invalid_op+0x14/0x70 COUNT_INC_SATURATED: saw 'Saturation detected: still saturated':<4>[ 74.860294] ? asm_exc_invalid_op+0x12/0x20 ok ok 52 selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # selfte<4>[ 74.871405] ? refcount_warn_saturate+0xfb/0x110 sts: lkdtm: REFCOUNT_DEC_SATURATED.sh <4>[ 74.883201] ? refcount_warn_saturate+0xfb/0x110 <4>[ 74.892371] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f <4>[ 74.898354] direct_entry.cold+0x2c/0x38 <4>[ 74.903145] full_proxy_write+0x56/0x80 <4>[ 74.907857] vfs_write+0xea/0x3b0 <4>[ 74.911959] ksys_write+0x68/0xf0 <4>[ 74.916130] do_syscall_64+0x33/0x40 <6>[ 74.916538] PDLOG 2023/12/14 00:32:52.503 P0 SNK (not charging) Charger ??? 5000mV max 5000mV / 500mA <4>[ 74.920528] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <6>[ 74.931573] PDLOG 2023/12/14 00:32:52.503 P1 Disconnected <4>[ 74.937306] RIP: 0033:0x7fda171b6473 <6>[ 74.944046] PDLOG 2023/12/14 00:32:52.560 P0 SNK (not charging) Charger ??? 5000mV max 5000mV / 1500mA <4>[ 74.948114] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <6>[ 74.959257] PDLOG 2023/12/14 00:32:52.559 P1 SNK (not charging) Charger ??? 5000mV max 5000mV / 3000mA <4>[ 74.980422] RSP: 002b:00007ffc1b48fe08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <6>[ 74.991600] PDLOG 2023/12/14 00:32:52.677 P1 SNK Charger ??? 5238mV max 15000mV / 3000mA <4>[ 75.000080] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fda171b6473 <6>[ 75.009966] PDLOG 2023/12/14 00:32:52.793 P1 SNK Charger ??? 5201mV max 5000mV / 3000mA <4>[ 75.017989] RDX: 0000000000000017 RSI: 00007fda170aa000 RDI: 0000000000000001 <6>[ 75.027682] PDLOG 2023/12/14 00:32:52.819 P0 SNK (not charging) Charger ??? 5000mV max 5000mV / 1500mA <4>[ 75.035698] RBP: 00007fda170aa000 R08: 00007fda170a9010 R09: 0000000000000000 <6>[ 75.046924] PDLOG 2023/12/14 00:32:52.996 P1 SNK Charger ??? 15081mV max 15000mV / 3000mA <4>[ 75.054774] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <6>[ 75.064712] PDLOG 2023/12/14 00:32:55.686 P1 SNK Charger PD 15103mV max 15000mV / 3000mA <4>[ 75.072549] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 75.072566] irq event stamp: 0 <4>[ 75.094032] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 75.101378] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 75.110861] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 75.120365] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 75.127704] ---[ end trace 68c4bcfb3b2027e0 ]--- <6>[ 75.133182] lkdtm: Saturation detected: still saturated # [ 74.490876] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 74.500633] lkdtm: attempting bad refcount_dec() from saturated # [ 74.513841] ------------[ cut here ]------------ # [ 74.525548] refcount_t: decrement hit 0; leaking memory. # [ 74.538091] WARNING: CPU: 3 PID: 2389 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 74.554115] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 74.600538] CPU: 3 PID: 2389 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 74.615702] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 74.628889] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 74.641311] Code: 98 d7 8d a1 c6 05 05 fb 16 02 01 e8 e9 f0 c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 68 d7 8d a1 c6 05 ec fa 16 02 01 e8 cf f0 c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 74.668906] RSP: 0018:ffffac8042c2fe48 EFLAGS: 00010286 # [ 74.681290] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 74.695840] RDX: ffff8df53bdac620 RSI: ffff8df53bd9bf50 RDI: ffff8df53bd9bf50 # [ 74.710419] RBP: ffffffffa1982b84 R08: 0000000000000000 R09: 0000000000000000 # [ 74.724937] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 74.739505] R13: ffffac8042c2ff10 R14: ffffac8042c2ff10 R15: ffff8df4c3354000 # [ 74.754036] FS: 00007fda172a0580(0000) GS:ffff8df53bd80000(0000) knlGS:0000000000000000 # [ 74.769673] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 74.782691] CR2: 00007fda170aa000 CR3: 0000000102644000 CR4: 00000000003506e0 # [ 74.797496] Call Trace: # [ 74.806567] ? __warn+0x80/0x110 # [ 74.816864] ? refcount_warn_saturate+0xfb/0x110 # [ 74.828421] ? report_bug+0x9e/0xc0 # [ 74.839000] ? handle_bug+0x41/0x90 # [ 74.849325] ? exc_invalid_op+0x14/0x70 # [ 74.860294] ? asm_exc_invalid_op+0x12/0x20 # [ 74.871405] ? refcount_warn_saturate+0xfb/0x110 # [ 74.883201] ? refcount_warn_saturate+0xfb/0x110 # [ 74.892371] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 74.898354] direct_entry.cold+0x2c/0x38 # [ 74.903145] full_proxy_write+0x56/0x80 # [ 74.907857] vfs_write+0xea/0x3b0 # [ 74.911959] ksys_write+0x68/0xf0 # [ 74.916130] do_syscall_64+0x33/0x40 # [ 74.916538] PDLOG 2023/12/14 00:32:52.503 P0 SNK (not charging) Charger ??? 5000mV max 5000mV / 500mA # [ 74.920528] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 74.931573] PDLOG 2023/12/14 00:32:52.503 P1 Disconnected # [ 74.937306] RIP: 0033:0x7fda171b6473 # [ 74.944046] PDLOG 2023/12/14 00:32:52.560 P0 SNK (not charging) Charger ??? 5000mV max 5000mV / 1500mA # [ 74.948114] C<6>[ 75.524287] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED <6>[ 75.534273] lkdtm: attempting bad refcount_dec() from saturated <4>[ 75.541239] ------------[ cut here ]------------ <4>[ 75.546730] refcount_t: saturated; leaking memory. ode: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7<4>[ 75.552467] WARNING: CPU: 2 PID: 2425 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f <4>[ 75.568480] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 75.614981] CPU: 2 PID: 2425 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 75.623986] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 75.630942] RIP: 0010:refcount_warn_saturate+0x51/0x110 <4>[ 75.637126] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d a9 fb 16 02 00 75 ee 48 c7 c7 e8 d6 8d a1 c6 05 99 fb 16 02 01 e8 79 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 85 fb 16 02 00 75 cb 48 c7 c7 10 d7 8d <4>[ 75.658509] RSP: 0018:ffffac8042c87e48 EFLAGS: 00010286 <4>[ 75.664676] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 <4>[ 75.672992] RDX: ffff8df53bd2c620 RSI: ffff8df53bd1bf50 RDI: ffff8df53bd1bf50 <4>[ 75.681312] RBP: ffffffffa1982b9b R08: 0000000000000000 R09: 0000000000000000 <4>[ 75.689629] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 <4>[ 75.697947] R13: ffffac8042c87f10 R14: ffffac8042c87f10 R15: ffff8df4c3812000 <4>[ 75.706269] FS: 00007f7faf3d6580(0000) GS:ffff8df53bd00000(0000) knlGS:0000000000000000 <4>[ 75.715657] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 75.722416] CR2: 00007f7faf1e0000 CR3: 000000010641e000 CR4: 00000000003506e0 <4>[ 75.730726] Call Trace: <4>[ 75.733791] ? __warn+0x80/0x110 <4>[ 75.737735] ? refcount_warn_saturate+0x51/0x110 <4>[ 75.743232] ? report_bug+0x9e/0xc0 <4>[ 75.747472] ? handle_bug+0x41/0x90 <4>[ 75.751700] ? exc_invalid_op+0x14/0x70 <4>[ 75.756320] ? asm_exc_invalid_op+0x12/0x20 <4>[ 75.761337] ? refcount_warn_saturate+0x51/0x110 <4>[ 75.766832] ? refcount_warn_saturate+0x51/0x110 <4>[ 75.772329] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 <4>[ 75.778119] direct_entry.cold+0x2c/0x38 <4>[ 75.782840] full_proxy_write+0x56/0x80 <4>[ 75.787457] vfs_write+0xea/0x3b0 <4>[ 75.791496] ksys_write+0x68/0xf0 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54<4>[ 75.795528] do_syscall_64+0x33/0x40 24 18 # [ 74.959257] PDLOG 2023/12/14 00:32:52.559 P1 SNK (n<4>[ 75.806075] entry_SYSCALL_64_after_hwframe+0x62/0xc7 ot charging) Charger ??? 5000mV max 5000mV / 3000mA # [ 74.98<4>[ 75.818285] RIP: 0033:0x7f7faf2ec473 <4>[ 75.828835] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 75.850216] RSP: 002b:00007ffcf826d1a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 75.859024] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f7faf2ec473 0422] RSP: 002b:00007ffc1b48fe08 EFLAGS: 00000246 ORIG_RAX: 0000<4>[ 75.867396] RDX: 0000000000000017 RSI: 00007f7faf1e0000 RDI: 0000000000000001 <4>[ 75.881966] RBP: 00007f7faf1e0000 R08: 00007f7faf1df010 R09: 0000000000000000 <4>[ 75.890285] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 75.898599] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 75.906924] irq event stamp: 0 <4>[ 75.910659] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 75.918002] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 75.927479] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 75.936966] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 75.944308] ---[ end trace 68c4bcfb3b2027e1 ]--- <6>[ 75.949795] lkdtm: Saturation detected: still saturated 000000000001 # [ 74.991600] PDLOG 2023/12/14 00:32:52.677 P1 SNK Charger ??? 5238mV max 15000mV / 3000mA # [ 75.000080] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fda171b6473 # [ 75.009966] PDLOG 2023/12/14 00:32:52.793 P1 SNK Charger ??? 5201mV max 5000mV / 3000mA # [ 75.017989] RDX: 0000000000000017 RSI: 00007fda170aa000 RDI: 0000000000000001 # [ 75.027682] PDLOG 2023/12/14 00:32:52.819 P0 SNK (not charging) Charger ??? 5000mV max 5000mV / 1500mA # [ 75.035698] RBP: 00007fda170aa000 R08: 00007fda170a9010 R09: 0000000000000000 # [ 75.046924] PDLOG 2023/12/14 00:32:52.996 P1 SNK Charger ??? 15081mV max 15000mV / 3000mA # [ 75.054774] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 75.064712] PDLOG 2023/12/14 00:32:55.686 P1 SNK Charger PD 15103mV max 15000mV / 3000mA # [ 75.072549] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 75.072566] irq event stamp: 0 # [ 75.094032] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 75.101378] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 75.110861] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 75.120365] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 75.127704] ---[ end trace 68c4bcfb3b2027e0 ]--- # [ 75.133182] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_SATURATED: saw 'Saturation detected: still saturated': ok ok 53 selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh # selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh # [ 75.524287] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 75.534273] lkdtm: attempting bad refcount_dec() from saturated # [ 75.541239] ------------[ cut here ]------------ # [ 75.546730] refcount_t: saturated; leaking memory. # [ 75.552467] WARNING: CPU: 2 PID: 2425 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 75.568480] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 75.614981] CPU: 2 PID: 2425 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 75.623986] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 75.630942] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 75.637126] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d a9 fb 16 02 00 75 ee 48 c7 c7 e8 d6 8d a1 c6 05 99 fb 16 02 01 e8 79 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 85 fb 16 02 00 75 cb 48 c7 c7 10 d7 8d # [ 75.658509] RSP: 0018:ffffac8042c87e48 EFLAGS: 00010286 # [ 75.664676] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 75.672992] RDX: ffff8df53bd2c620 RSI: ffff8df53bd1bf50 RDI: ffff8df53bd1bf50 # [ 75.681312] RBP: ffffffffa1982b9b R08: 0000000000000000 R09: 0000000000000000 # [ 75.689629] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 75.697947] R13: ffffac8042c87f10 R14: ffffac8042c87f10 R15: ffff8df4c3812000 # [ 75.706269] FS: 00007f7faf3d6580(0000) GS:ffff8df53bd00000(0000) knlGS:0000000000000000 # [ 75.715657] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 75.722416] CR2: 00007f7faf1e0000 CR3: 000000010641e000 CR4: 00000000003506e0 # [ 75.730726] Call Trace: # [ 75.733791] ? __warn+0x80/0x110 # [ 75.737735] ? refcount_warn_saturate+0x51/0x110 # [ 75.743232] ? report_bug+0x9e/0xc0 # [ 75.747472] ? handle_bug+0x41/0x90 # [ 75.751700] ? exc_invalid_op+0x14/0x70 # [ 75.756320] ? asm_exc_invalid_op+0x12/0x20 # [ 75.761337] ? refcount_warn_saturate+0x51/0x110 # [ 75.766832] ? re<6>[ 76.330678] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED fcount_warn_saturate+0x51/0x110 # [ 75.772329] lkdtm_REFCOUN<6>[ 76.344500] lkdtm: attempting bad refcount_inc_not_zero() from saturated T_ADD_SATURATED+0x3c/0x64 # [ 75.778119] direct_entry.cold+0<4>[ 76.358581] ------------[ cut here ]------------ x2c/0x38 # [ 75.782840] full_proxy_write+0x56/0x80 # [ 75<4>[ 76.370337] refcount_t: saturated; leaking memory. .787457] vfs_write+0xea/0x3b0 # [ 75.791496] ksys_write+0x6<4>[ 76.382337] WARNING: CPU: 3 PID: 2458 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 8/0xf0 # [ 75.795528] do_syscall_64+0x33/0x40 # [ 75.8060<4>[ 76.398295] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table 75] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 75.818285] <4>[ 76.444675] CPU: 3 PID: 2458 Comm: cat Tainted: G D W 5.10.204-cip41 #1 RIP: 0033:0x7f7faf2ec473 # [ 75.828835] Code: 8b 15 21 2a 0e <4>[ 76.459883] Hardware name: Google Coral/Coral, BIOS 09/29/2020 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 2<4>[ 76.473098] RIP: 0010:refcount_warn_saturate+0x97/0x110 5 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff <4>[ 76.485480] Code: 02 01 e8 56 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 64 fb 16 02 00 75 a8 48 c7 c7 e8 d6 8d a1 c6 05 54 fb 16 02 01 e8 33 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 3e fb 16 02 00 75 85 48 c7 c7 40 d7 8d ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 75.850<4>[ 76.513104] RSP: 0018:ffffac8042d17e38 EFLAGS: 00010282 216] RSP: 002b:00007ffcf826d1a8 EFLAGS: 00000246 ORIG_RAX: 00000<4>[ 76.525488] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 00000000001 # [ 75.859024] RAX: ffffffffffffffda RBX: 0000000<4>[ 76.540053] RDX: ffff8df53bdac620 RSI: ffff8df53bd9bf50 RDI: ffff8df53bd9bf50 000000017 RCX: 00007f7faf2ec473 # [ 75.867396] RDX: 000000000<4>[ 76.554568] RBP: ffffffffa19827c8 R08: 0000000000000000 R09: 0000000000000000 0000017 RSI: 00007f7faf1e0000 RDI: 0000000000000001 # [ 75.88<4>[ 76.569130] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 1966] RBP: 00007f7faf1e0000 R08: 00007f7faf1df010 R09: 000000000<4>[ 76.583664] R13: ffffac8042d17f10 R14: ffffac8042d17f10 R15: ffff8df4c0fe0000 0000000 # [ 75.890285] R10: fffffffffffffbc5 R11: 00000000000<4>[ 76.598214] FS: 00007f0e2b306580(0000) GS:ffff8df53bd80000(0000) knlGS:0000000000000000 00246 R12: 0000000000000001 # [ 75.898599] R13: 0000000000000<4>[ 76.613857] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 001 R14: 0000000000020000 R15: 0000000000020000 # [ 75.906924<4>[ 76.626827] CR2: 00007f0e2b110000 CR3: 0000000106628000 CR4: 00000000003506e0 ] irq event stamp: 0 # [ 75.910659] hardirqs last enabled at<4>[ 76.641452] Call Trace: (0): [<0000000000000000>] 0x0 # [ 75.918002] hardirqs last d<4>[ 76.650973] ? __warn+0x80/0x110 isabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 76.660889] ? refcount_warn_saturate+0x97/0x110 # [ 75.927479] softirqs last enabled at (0): [[ 76.672752] ? report_bug+0x9e/0xc0 cc>] copy_process+0x65c/0x20e0 # [ 75.936966] softirqs last d<4>[ 76.683174] ? handle_bug+0x41/0x90 isabled at (0): [<0000000000000000>] 0x0 # [ 75.944308] ---[ <4>[ 76.693585] ? exc_invalid_op+0x14/0x70 end trace 68c4bcfb3b2027e1 ]--- # [ 75.949795] lkdtm: Saturat<4>[ 76.704342] ? asm_exc_invalid_op+0x12/0x20 ion detected: still saturated # REFCOUNT_ADD_SATURATED: saw 'Sa<4>[ 76.715678] ? refcount_warn_saturate+0x97/0x110 turation detected: still saturated': ok ok 54 selftests: lkdtm:<4>[ 76.727300] ? refcount_warn_saturate+0x97/0x110 REFCOUNT_ADD_SATURATED.sh # selftests: lkdtm: REFCOUNT_INC_NOT<4>[ 76.739101] __refcount_add_not_zero.constprop.0+0x2a/0x35 _ZERO_SATURATED.sh <4>[ 76.751731] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 <4>[ 76.760352] direct_entry.cold+0x2c/0x38 <4>[ 76.765131] full_proxy_write+0x56/0x80 <4>[ 76.769839] vfs_write+0xea/0x3b0 <4>[ 76.773944] ksys_write+0x68/0xf0 <4>[ 76.778052] do_syscall_64+0x33/0x40 <4>[ 76.782439] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 76.788518] RIP: 0033:0x7f0e2b21c473 <4>[ 76.792916] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 76.814387] RSP: 002b:00007fffb974b3c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 76.823276] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f0e2b21c473 <4>[ 76.831712] RDX: 0000000000000020 RSI: 00007f0e2b110000 RDI: 0000000000000001 <4>[ 76.840106] RBP: 00007f0e2b110000 R08: 00007f0e2b10f010 R09: 0000000000000000 <4>[ 76.848518] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 76.856901] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 76.865347] irq event stamp: 0 <4>[ 76.869155] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 76.876606] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 76.886179] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 76.895781] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 76.903202] ---[ end trace 68c4bcfb3b2027e2 ]--- <6>[ 76.908828] lkdtm: Saturation detected: still saturated # [ 76.330678] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 76.344500] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 76.358581] ------------[ cut here ]------------ # [ 76.370337] refcount_t: saturated; leaking memory. # [ 76.382337] WARNING: CPU: 3 PID: 2458 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 76.398295] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 76.444675] CPU: 3 PID: 2458 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 76.459883] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 76.473098] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 76.485480] Code: 02 01 e8 56 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 64 fb 16 02 00 75 a8 48 c7 c7 e8 d6 8d a1 c6 05 54 fb 16 02 01 e8 33 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 3e fb 16 02 00 75 85 48 c7 c7 40 d7 8d # [ 76.513104] RSP: 0018:ffffac8042d17e38 EFLAGS: 00010282 # [ 76.525488] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 76.540053] RDX: ffff8df53bdac620 RSI: ffff8df53bd9bf50 RDI: ffff8df53bd9bf50 # [ 76.554568] RBP: ffffffffa19827c8 R08: 0000000000000000 R09: 0000000000000000 # [ 76.569130] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 76.583664] R13: ffffac8042d17f10 R14: ffffac8042d17f10 R15: ffff8df4c0fe0000 # [ 76.598214] FS: 00007f0e2b306580(0000) GS:ffff8df53bd80000(0000) knlGS:0000000000000000 # [ 76.613857] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 76.626827] CR2: 00007f0e2b110000 CR3: 0000000106628000 CR4: 00000000003506e0 # [ 76.641452] Call Trace: # [ 76.650973] ? __warn+0x80/0x110 # [ 76.660889] ? refcount_warn_saturate+0x97/0x110 # [ 76.672752] ? report_bug+0x9e/0xc0 # [ 76.683174] ? handle_bug+0x41/0x90 # [ 76.693585] ? exc_invalid_op+0x14/0x70 # [ 76.704342] ? asm_exc_invalid_op+0x12/0x20 # [ 76.715678] ? refcount_warn_saturate+0x97/0x110 # [ 76.727300] ? refcount_warn_saturate+0x97/0x110 # [ 76.739101] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 76.751731] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 76.760352] direct_entry.cold+0x2c/0x38 # [ 76.765131] full_proxy_write+0x56/0x80 # [ 76.769839] vfs_write+0xea/0x3b0 # [ 76.773944] ksys_write+0x68/0xf0 # [ 76.778052] do_syscall_64+0x33/0x40 # [ 76.782439] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # <6>[ 77.274911] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED [ 76.788518] RIP: 0033:0x7f0e2b21c473 # [ 76.792916] Code: <6>[ 77.284401] lkdtm: attempting bad refcount_add_not_zero() from saturated <4>[ 77.298466] ------------[ cut here ]------------ <4>[ 77.303963] refcount_t: saturated; leaking memory. <4>[ 77.309702] WARNING: CPU: 1 PID: 2491 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1<4>[ 77.319471] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 77.365951] CPU: 1 PID: 2491 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 77.374954] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 77.381915] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 77.388091] Code: 02 01 e8 56 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 64 fb 16 02 00 75 a8 48 c7 c7 e8 d6 8d a1 c6 05 54 fb 16 02 01 e8 33 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 3e fb 16 02 00 75 85 48 c7 c7 40 d7 8d <4>[ 77.409473] RSP: 0018:ffffac8042dcfe38 EFLAGS: 00010282 <4>[ 77.415654] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 <4>[ 77.423971] RDX: ffff8df53bcac620 RSI: ffff8df53bc9bf50 RDI: ffff8df53bc9bf50 <4>[ 77.432284] RBP: ffffffffa19827e8 R08: 0000000000000000 R09: 0000000000000000 <4>[ 77.440602] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 77.448920] R13: ffffac8042dcff10 R14: ffffac8042dcff10 R15: ffff8df4c3259000 <4>[ 77.457240] FS: 00007f3e60258580(0000) GS:ffff8df53bc80000(0000) knlGS:0000000000000000 <4>[ 77.466636] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 77.473394] CR2: 00007f3e60062000 CR3: 0000000103254000 CR4: 00000000003506e0 <4>[ 77.481712] Call Trace: <4>[ 77.484784] ? __warn+0x80/0x110 <4>[ 77.488724] ? refcount_warn_saturate+0x97/0x110 <4>[ 77.494222] ? report_bug+0x9e/0xc0 <4>[ 77.498463] ? handle_bug+0x41/0x90 <4>[ 77.502693] ? exc_invalid_op+0x14/0x70 <4>[ 77.507316] ? asm_exc_invalid_op+0x12/0x20 <4>[ 77.512331] ? refcount_warn_saturate+0x97/0x110 <4>[ 77.517826] ? refcount_warn_saturate+0x97/0x110 <4>[ 77.523324] __refcount_add_not_zero.constprop.0+0x2a/0x35 <4>[ 77.529796] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 <4>[ 77.536466] direct_entry.cold+0x2c/0x38 <4>[ 77.541179] full_proxy_write+0x56/0x80 <4>[ 77.545803] vfs_write+0xea/0x3b0 <4>[ 77.549841] ksys_write+0x68/0xf0 f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <4<4>[ 77.553865] do_syscall_64+0x33/0x40 8> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 1<4>[ 77.564425] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 77.576624] RIP: 0033:0x7f3e6016e473 8 # [ 76.814387] RSP: 002b:00007fffb974b3c8 EFLAGS: 00000246 <4>[ 77.580950] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 77.608545] RSP: 002b:00007ffca6f6cc58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 77.617344] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f3e6016e473 <4>[ 77.625720] RDX: 0000000000000020 RSI: 00007f3e60062000 RDI: 0000000000000001 <4>[ 77.634076] RBP: 00007f3e60062000 R08: 00007f3e60061010 R09: 0000000000000000 <4>[ 77.642396] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 77.650714] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 77.659044] irq event stamp: 0 <4>[ 77.662783] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 77.670129] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 77.679618] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 77.689108] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 77.696450] ---[ end trace 68c4bcfb3b2027e3 ]--- <6>[ 77.701942] lkdtm: Saturation detected: still saturated ORIG_RAX: 0000000000000001 # [ 76.823276] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f0e2b21c473 # [ 76.831712] RDX: 0000000000000020 RSI: 00007f0e2b110000 RDI: 0000000000000001 # [ 76.840106] RBP: 00007f0e2b110000 R08: 00007f0e2b10f010 R09: 0000000000000000 # [ 76.848518] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 76.856901] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 76.865347] irq event stamp: 0 # [ 76.869155] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 76.876606] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 76.886179] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 76.895781] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 76.903202] ---[ end trace 68c4bcfb3b2027e2 ]--- # [ 76.908828] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_NOT_ZERO_SATURATED: saw 'call trace:': ok ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # [ 77.274911] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 77.284401] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 77.298466] ------------[ cut here ]------------ # [ 77.303963] refcount_t: saturated; leaking memory. # [ 77.309702] WARNING: CPU: 1 PID: 2491 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 77.319471] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 77.365951] CPU: 1 PID: 2491 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 77.374954] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 77.381915] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 77.388091] Code: 02 01 e8 56 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 64 fb 16 02 00 75 a8 48 c7 c7 e8 d6 8d a1 c6 05 54 fb 16 02 01 e8 33 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 3e fb 16 02 00 75 85 48 c7 c7 40 d7 8d # [ 77.409473] RSP: 0018:ffffac8042dcfe38 EFLAGS: 00010282 # [ 77.415654] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 77.423971] RDX: ffff8df53bcac620 RSI: ffff8df53bc9bf50 RDI: ffff8df53bc9bf50 # [ 77.432284] RBP: ffffffffa19827e8 R08: 0000000000000000 R09: 0000000000000000 # [ 77.440602] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 77.448920] R13: ffffac8042dcff10 R14: ffffac8042dcff10 R15: ffff8df4c3259000 # [ 77.457240] FS: 00007f3e60258580(0000) GS:ffff8df53bc80000(0000) knlGS:0000000000000000 # [ 77.466636] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 77.473394] CR2: 00007f3e60062000 CR3: 0000000103254000 CR4: 00000000003506e0 # [ 77.481712] Call Trace: # [ 77.484784] ? __warn+0x80/0x110 # [ 77.488724] ? refcount_warn_saturate+0x97/0x110 # [ 77.494222] ? report_bug+0x9e/0xc0 # [ 77.498463] ? handle_bug+0x41/0x90 # [ 77.502693] ? exc_invalid_op+0x14/0x70 # [ 77.507316] ? asm_exc_invalid_op+0x12/0x20 # [ 77.512331] ? refcount_warn_saturate+0x97/0x110 # [ 77.517826] ? refcount_warn_saturate+0x97/0x110 # [ 77.523324] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 77.529796] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 77.536466] direct_entry.cold+0x2c/0x38 # [ 77.541179] full_proxy_write+0x56/0x80 # [ 77.545803] vfs_write+0xea/0x3b0 # [ 77.549841] ksys_write+0x68/0xf0 # [ 77.553865] do_syscall_64+0x33/0x40 # [ 77.564425] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 77.576624] RIP: 0033:0x7f3e6016e473 # [ 77.580950] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 <6>[ 78.102060] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED <6>[ 78.115491] lkdtm: attempting bad refcount_dec_and_test() from saturated <4>[ 78.123338] ------------[ cut here ]------------ <4>[ 78.128823] refcount_t: underflow; use-after-free. ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 77.<4>[ 78.134560] WARNING: CPU: 1 PID: 2527 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 608545] RSP: 002b:00007ffca6f6cc58 EFLAGS: 00000246 ORIG_RAX: 00<4>[ 78.150549] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 78.197060] CPU: 1 PID: 2527 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 78.206057] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 78.213012] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 78.219188] Code: 02 01 e8 33 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 3e fb 16 02 00 75 85 48 c7 c7 40 d7 8d a1 c6 05 2e fb 16 02 01 e8 10 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 19 fb 16 02 00 0f 85 5e ff ff ff 48 c7 <4>[ 78.240570] RSP: 0018:ffffac8042e77e40 EFLAGS: 00010286 <4>[ 78.246746] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 <4>[ 78.255063] RDX: ffff8df53bcac620 RSI: ffff8df53bc9bf50 RDI: ffff8df53bc9bf50 <4>[ 78.263382] RBP: ffffffffa1982808 R08: 0000000000000000 R09: 0000000000000000 <4>[ 78.271697] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 78.280011] R13: ffffac8042e77f10 R14: ffffac8042e77f10 R15: ffff8df4c6270000 <4>[ 78.288325] FS: 00007f59d9b48580(0000) GS:ffff8df53bc80000(0000) knlGS:0000000000000000 <4>[ 78.297713] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 78.304469] CR2: 00007f59d9952000 CR3: 0000000104944000 CR4: 00000000003506e0 <4>[ 78.312781] Call Trace: <4>[ 78.315851] ? __warn+0x80/0x110 <4>[ 78.319787] ? refcount_warn_saturate+0xba/0x110 <4>[ 78.325283] ? report_bug+0x9e/0xc0 <4>[ 78.329521] ? handle_bug+0x41/0x90 <4>[ 78.333746] ? exc_invalid_op+0x14/0x70 <4>[ 78.338363] ? asm_exc_invalid_op+0x12/0x20 00000000000001 # [ 77.617344] RAX: ffffffffffffffda RBX: 0000<4>[ 78.343374] ? refcount_warn_saturate+0xba/0x110 <4>[ 78.355107] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 78.361576] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 <4>[ 78.368248] direct_entry.cold+0x2c/0x38 <4>[ 78.372966] full_proxy_write+0x56/0x80 <4>[ 78.377587] vfs_write+0xea/0x3b0 000000000020 RCX: 00007f3e6016e473 # [ 77.625720] RDX: 000000<4>[ 78.381616] ksys_write+0x68/0xf0 0000000020 RSI: 00007f3e60062000 RDI: 0000000000000001 # [ 77<4>[ 78.391876] do_syscall_64+0x33/0x40 .634076] RBP: 00007f3e60062000 R08: 00007f3e60061010 R09: 000000<4>[ 78.402423] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 78.414628] RIP: 0033:0x7f59d9a5e473 <4>[ 78.418952] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 78.440325] RSP: 002b:00007fff122bfa28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 78.449128] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f59d9a5e473 0000000000 # [ 77.642396] R10: fffffffffffffbc5 R11: 00000000<4>[ 78.457489] RDX: 0000000000000020 RSI: 00007f59d9952000 RDI: 0000000000000001 <4>[ 78.472046] RBP: 00007f59d9952000 R08: 00007f59d9951010 R09: 0000000000000000 <4>[ 78.480356] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 78.488668] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 78.496988] irq event stamp: 0 <4>[ 78.500720] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 78.508059] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 78.517544] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 78.527027] softirqs last disabled at (0): [<0000000000000000>] 0x0 00000246 R12: 0000000000000001 # [ 77.650714] R13: 0000000000<4>[ 78.534366] ---[ end trace 68c4bcfb3b2027e4 ]--- <6>[ 78.546078] lkdtm: Saturation detected: still saturated 000001 R14: 0000000000020000 R15: 0000000000020000 # [ 77.659044] irq event stamp: 0 # [ 77.662783] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 77.670129] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 77.679618] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 77.689108] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 77.696450] ---[ end trace 68c4bcfb3b2027e3 ]--- # [ 77.701942] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_NOT_ZERO_SATURATED: saw 'call trace:': ok ok 56 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # [ 78.102060] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 78.115491] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 78.123338] ------------[ cut here ]------------ # [ 78.128823] refcount_t: underflow; use-after-free. # [ 78.134560] WARNING: CPU: 1 PID: 2527 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 78.150549] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 78.197060] CPU: 1 PID: 2527 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 78.206057] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 78.213012] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 78.219188] Code: 02 01 e8 33 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 3e fb 16 02 00 75 85 48 c7 c7 40 d7 8d a1 c6 05 2e fb 16 02 01 e8 10 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 19 fb 16 02 00 0f 85 5e ff ff ff 48 c7 # [ 78.240570] RSP: 0018:ffffac8042e77e40 EFLAGS: 00010286 # [ 78.246746] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 78.255063] RDX: ffff8df53bcac620 RSI: ffff8df53bc9bf50 RDI: ffff8df53bc9bf50 # [ 78.263382] RBP: ffffffffa1982808 R08: 0000000000000000 R09: 0000000000000000 # [ 78.271697] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 78.280011] R13: ffffac8042e77f10 R14: ffffac8042e77f10 R15: ffff8df4c6270000 # [ 78.288325] FS: 00007f59d9b48580(0000) GS:ffff8df53bc80000(0000) knlGS:0000000000000000 # [ 78.297713] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 78.304469] CR2: 00007f59d9952000 CR3: 0000000104944000 CR4: 00000000003506e0 # [ 78.312781] Call Trace: # [ 78.315851] ? __warn+0x80/0x110 # [ 78.319787] ? refcount_warn_saturate+0xba/0x110 # [ 78.325283] ? report_bug+0x9e/0xc0 # [ 78.329521] ? handle_bug+0x41/0x90 # [ 78.333746] ? exc_invalid_op+0x14/0x70 # [ 78.338363] ? asm_exc_invalid_op+0x12/0x20 # [ 78.343374] ? refcount_warn_saturate+0xba/0x110 # [ 78.355107] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 78.361576] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 78.368248] direct_entry.cold+0x2c/0x38 # [ 78.372966] full_proxy_write+0x56/0x80 # [ 78.377587] vfs_write+0xea/0x3b0 # [ 78.381616] ksys_write+0x68/0xf0 # [ 78.391876] do_syscall_64+0x33/0x40 # [ 78.402423] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 78.414628] RIP: 0033:0x7f59d9a5e473 # [ 78.418952] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 78.440325] RSP: 00<6>[ 78.942919] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED <6>[ 78.951002] lkdtm: attempting bad refcount_sub_and_test() from saturated <4>[ 78.958839] ------------[ cut here ]------------ <4>[ 78.964327] refcount_t: underflow; use-after-free. 2b:00007fff122bfa28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 78.970068] WARNING: CPU: 1 PID: 2563 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 78.449128] RAX: ffffffffffffffda RBX: 0000000000000020 RC<4>[ 78.986084] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table <4>[ 79.032585] CPU: 1 PID: 2563 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 79.041583] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 79.048537] RIP: 0010:refcount_warn_saturate+0xba/0x110 X: 00007f59d9a5e473 # [ 78.457489] RDX: 0000000000000020 RSI:<4>[ 79.054770] Code: 02 01 e8 33 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 3e fb 16 02 00 75 85 48 c7 c7 40 d7 8d a1 c6 05 2e fb 16 02 01 e8 10 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 19 fb 16 02 00 0f 85 5e ff ff ff 48 c7 00007f59d9952000 RDI: 0000000000000001 # [ 78.472046] RBP: 0<4>[ 79.082430] RSP: 0018:ffffac8042ef7e40 EFLAGS: 00010286 <4>[ 79.094794] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 <4>[ 79.103109] RDX: ffff8df53bcac620 RSI: ffff8df53bc9bf50 RDI: ffff8df53bc9bf50 <4>[ 79.111424] RBP: ffffffffa1982828 R08: 0000000000000000 R09: 0000000000000000 <4>[ 79.119738] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 79.128053] R13: ffffac8042ef7f10 R14: ffffac8042ef7f10 R15: ffff8df4c641d000 0007f59d9952000 R08: 00007f59d9951010 R09: 0000000000000000 # [<4>[ 79.136371] FS: 00007f8bc637e580(0000) GS:ffff8df53bc80000(0000) knlGS:0000000000000000 <4>[ 79.151976] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 79.158731] CR2: 00007f8bc6188000 CR3: 00000001062f8000 CR4: 00000000003506e0 <4>[ 79.167045] Call Trace: <4>[ 79.170113] ? __warn+0x80/0x110 <4>[ 79.174050] ? refcount_warn_saturate+0xba/0x110 <4>[ 79.179544] ? report_bug+0x9e/0xc0 <4>[ 79.183773] ? handle_bug+0x41/0x90 <4>[ 79.187997] ? exc_invalid_op+0x14/0x70 <4>[ 79.192602] ? asm_exc_invalid_op+0x12/0x20 <4>[ 79.197615] ? refcount_warn_saturate+0xba/0x110 <4>[ 79.203112] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 79.209581] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 78.480356] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0<4>[ 79.216242] direct_entry.cold+0x2c/0x38 000000000000001 # [ 78.488668] R13: 0000000000000001 R14: 000<4>[ 79.227179] full_proxy_write+0x56/0x80 0000000020000 R15: 0000000000020000 # [ 78.496988] irq event <4>[ 79.238020] vfs_write+0xea/0x3b0 <4>[ 79.248277] ksys_write+0x68/0xf0 <4>[ 79.252312] do_syscall_64+0x33/0x40 <4>[ 79.256635] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 79.262616] RIP: 0033:0x7f8bc6294473 <4>[ 79.266939] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 79.288311] RSP: 002b:00007ffc5656f2c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 79.297118] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f8bc6294473 <4>[ 79.305434] RDX: 0000000000000020 RSI: 00007f8bc6188000 RDI: 0000000000000001 <4>[ 79.313748] RBP: 00007f8bc6188000 R08: 00007f8bc6187010 R09: 0000000000000000 <4>[ 79.322065] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 79.330378] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 79.338705] irq event stamp: 0 <4>[ 79.342439] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 79.349780] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 79.359264] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 79.368751] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 79.376090] ---[ end trace 68c4bcfb3b2027e5 ]--- <6>[ 79.381581] lkdtm: Saturation detected: still saturated stamp: 0 # [ 78.500720] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 78.508059] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 78.517544] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 78.527027] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 78.534366] ---[ end trace 68c4bcfb3b2027e4 ]--- # [ 78.546078] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # [ 78.942919] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 78.951002] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 78.958839] ------------[ cut here ]------------ # [ 78.964327] refcount_t: underflow; use-after-free. # [ 78.970068] WARNING: CPU: 1 PID: 2563 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 78.986084] Modules linked in: fuse ip_tables uvcvideo snd_soc_max98357a cros_usbpd_charger cros_ec_chardev cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_usbpd_logger videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_soc_da7219 videobuf2_common cros_usbpd_notify i2c_hid snd_soc_core snd_compress snd_pcm_dmaengine regmap_i2c chromeos_pstore coreboot_table # [ 79.032585] CPU: 1 PID: 2563 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 79.041583] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 79.048537] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 79.054770] Code: 02 01 e8 33 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 3e fb 16 02 00 75 85 48 c7 c7 40 d7 8d a1 c6 05 2e fb 16 02 01 e8 10 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 19 fb 16 02 00 0f 85 5e ff ff ff 48 c7 # [ 79.082430] RSP: 0018:ffffac8042ef7e40 EFLAGS: 00010286 # [ 79.094794] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 79.103109] RDX: ffff8df53bcac620 RSI: ffff8df53bc9bf50 RDI: ffff8df53bc9bf50 # [ 79.111424] RBP: ffffffffa1982828 R08: 0000000000000000 R09: 0000000000000000 # [ 79.119738] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 79.128053] R13: ffffac8042ef7f10 R14: ffffac8042ef7f10 R15: ffff8df4c641d000 # [ 79.136371] FS: 00007f8bc637e580(0000) GS:ffff8df53bc80000(0000) knlGS:0000000000000000 # [ 79.151976] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 79.158731] CR2: 00007f8bc6188000 CR3: 00000001062f8000 CR4: 00000000003506e0 # [ 79.167045] Call Trace: # [ 79.170113] ? __warn+0x80/0x110 # [ 79.174050] ? refcount_warn_saturate+0xba/0x110 # [ 79.179544] ? report_bug+0x9e/0xc0 # [ 79.183773] ? handle_bug+0x41/0x90 # [ 79.187997] ? exc_invalid_op+0x14/0x70 # [ 79.192602] ? asm_exc_invalid_op+0x12/0x20 # [ 79.197615] ? refcount_warn_saturate+0xba/0x110 # [ 79.203112] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 79.209581] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 79.216242] direct_entry.cold+0x2c/0x38 # [ 79.227179] full_proxy_write+0x56/0x80 # [ 79.238020] vfs_write+0xea/0x3b0 # [ 79.248277] ksys_write+0x68/0xf0 # [ 79.252312] do_syscall_64+0x33/0x40 # [ 79.256635] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 79.262616] RIP: 0033:0x7f8bc6294473 # [ 79.266939] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 79.288311] RSP: 002b:00007ffc5656f2c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 79.297118] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f8bc6294473 # [ 79.305434] RDX: 0000000000000020 RSI: 00007f8bc6188000 RDI: 0000000000000001 # [ 79.313748] RBP: 00007f8bc6188000 R08: 00007f8bc6187010 R09: 0000000000000000 # [ 79.322065] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 79.330378] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 79.338705] irq event stamp: 0 # [ 79.342439] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 79.349780] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 79.359264] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 79.368751] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 79.376090] ---[ end trace 68c4bcfb3b2027e5 ]--- # [ 79.381581] lkdtm: Saturation detected: still saturated # REFCOUNT_SUB_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 58 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_TIMING.sh # Skipping REFCOUNT_TIMING: timing only ok 59 selftests: lkdtm: REFCOUNT_TIMING.sh # SKIP # selftests: lkdtm: ATOMIC_TIMING.sh # Skipping ATOMIC_TIMING: timing only ok 60 selftests: lkdtm: ATOMIC_TIMING.sh # SKIP # selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh <6>[ 80.021188] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO <6>[ 80.028276] lkdtm: attempting good copy_to_user of correct size <6>[ 80.035327] lkdtm: attempting bad copy_to_user of too large size # [ 80.021188] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 80.028276] lkdtm: attempting good copy_to_user of correct size # [ 80.035327] lkdtm: attempting bad copy_to_user of too large size # USERCOPY_HEAP_SIZE_TO: missing 'call trace:': [FAIL] not ok 61 selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh <6>[ 80.386198] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM <6>[ 80.393479] lkdtm: attempting good copy_from_user of correct size <6>[ 80.400645] lkdtm: attempting bad copy_from_user of too large size # [ 80.386198] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 80.393479] lkdtm: attempting good copy_from_user of correct size # [ 80.400645] lkdtm: attempting bad copy_from_user of too large size # USERCOPY_HEAP_SIZE_FROM: missing 'call trace:': [FAIL] not ok 62 selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh <6>[ 80.744399] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO <6>[ 80.751987] lkdtm: attempting good copy_to_user inside whitelist <6>[ 80.759097] lkdtm: attempting bad copy_to_user outside whitelist # [ 80.744399] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 80.751987] lkdtm: attempting good copy_to_user inside whitelist # [ 80.759097] lkdtm: attempting bad copy_to_user outside whitelist # USERCOPY_HEAP_WHITELIST_TO: missing 'call trace:': [FAIL] not ok 63 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh <6>[ 81.114193] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM <6>[ 81.121976] lkdtm: attempting good copy_from_user inside whitelist <6>[ 81.129293] lkdtm: attempting bad copy_from_user outside whitelist # [ 81.114193] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 81.121976] lkdtm: attempting good copy_from_user inside whitelist # [ 81.129293] lkdtm: attempting bad copy_from_user outside whitelist # USERCOPY_HEAP_WHITELIST_FROM: missing 'call trace:': [FAIL] not ok 64 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh <6>[ 81.471929] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO <6>[ 81.479199] lkdtm: good_stack: ffffac80432bfe20-ffffac80432bfe40 <6>[ 81.486259] lkdtm: bad_stack : ffffac80432bfda8-ffffac80432bfdc8 <6>[ 81.493345] lkdtm: attempting good copy_to_user of local stack <6>[ 81.500222] lkdtm: attempting bad copy_to_user of distant stack # [ 81.471929] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 81.479199] lkdtm: good_stack: ffffac80432bfe20-ffffac80432bfe40 # [ 81.486259] lkdtm: bad_stack : ffffac80432bfda8-ffffac80432bfdc8 # [ 81.493345] lkdtm: attempting good copy_to_user of local stack # [ 81.500222] lkdtm: attempting bad copy_to_user of distant stack # USERCOPY_STACK_FRAME_TO: missing 'call trace:': [FAIL] not ok 65 selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh <6>[ 81.828160] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM <6>[ 81.835686] lkdtm: good_stack: ffffac8043347e20-ffffac8043347e40 <6>[ 81.842746] lkdtm: bad_stack : ffffac8043347da8-ffffac8043347dc8 <6>[ 81.850240] lkdtm: attempting good copy_from_user of local stack <6>[ 81.857703] lkdtm: attempting bad copy_from_user of distant stack # [ 81.828160] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 81.835686] lkdtm: good_stack: ffffac8043347e20-ffffac8043347e40 # [ 81.842746] lkdtm: bad_stack : ffffac8043347da8-ffffac8043347dc8 # [ 81.850240] lkdtm: attempting good copy_from_user of local stack # [ 81.857703] lkdtm: attempting bad copy_from_user of distant stack # USERCOPY_STACK_FRAME_FROM: missing 'call trace:': [FAIL] not ok 66 selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_BEYOND.sh <6>[ 82.202582] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND <6>[ 82.209655] lkdtm: good_stack: ffffac8043387e20-ffffac8043387e40 <6>[ 82.216738] lkdtm: bad_stack : ffffac8043387ff8-ffffac8043388018 <6>[ 82.223833] lkdtm: attempting good copy_to_user of local stack <6>[ 82.230707] lkdtm: attempting bad copy_to_user of distant stack <4>[ 82.237663] lkdtm: copy_to_user failed, but lacked Oops # [ 82.202582] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 82.209655] lkdtm: good_stack: ffffac8043387e20-ffffac8043387e40 # [ 82.216738] lkdtm: bad_stack : ffffac8043387ff8-ffffac8043388018 # [ 82.223833] lkdtm: attempting good copy_to_user of local stack # [ 82.230707] lkdtm: attempting bad copy_to_user of distant stack # [ 82.237663] lkdtm: copy_to_user failed, but lacked Oops # USERCOPY_STACK_BEYOND: missing 'call trace:': [FAIL] not ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # exit=1 # selftests: lkdtm: USERCOPY_KERNEL.sh <6>[ 82.578207] lkdtm: Performing direct entry USERCOPY_KERNEL <6>[ 82.584713] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffa14f8950 <6>[ 82.593760] lkdtm: attempting bad copy_to_user from kernel text: ffffffff9fae2c00 <3>[ 82.602830] lkdtm: FAIL: survived bad copy_to_user() # [ 82.578207] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 82.584713] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffa14f8950 # [ 82.593760] lkdtm: attempting bad copy_to_user from kernel text: ffffffff9fae2c00 # [ 82.602830] lkdtm: FAIL: survived bad copy_to_user() # USERCOPY_KERNEL: missing 'call trace:': [FAIL] not ok 68 selftests: lkdtm: USERCOPY_KERNEL.sh # exit=1 # selftests: lkdtm: STACKLEAK_ERASING.sh <6>[ 82.954725] lkdtm: Performing direct entry STACKLEAK_ERASING <6>[ 82.961407] lkdtm: checking unused part of the thread stack (15928 bytes)... <3>[ 82.969647] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) <3>[ 82.977763] lkdtm: FAIL: the thread stack is NOT properly erased <4>[ 82.984845] CPU: 3 PID: 2939 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 82.993822] Hardware name: Google Coral/Coral, BIOS 09/29/2020 <4>[ 83.000754] Call Trace: <4>[ 83.003812] dump_stack+0x77/0x9b <4>[ 83.007826] lkdtm_STACKLEAK_ERASING+0x116/0x144 <4>[ 83.013298] direct_entry.cold+0x2c/0x38 <4>[ 83.017995] full_proxy_write+0x56/0x80 <4>[ 83.022584] vfs_write+0xea/0x3b0 <4>[ 83.026590] ksys_write+0x68/0xf0 <4>[ 83.030595] do_syscall_64+0x33/0x40 <4>[ 83.034898] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 83.040848] RIP: 0033:0x7f7610c8f473 <4>[ 83.045150] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 83.066495] RSP: 002b:00007ffd53f4a118 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 83.075282] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f7610c8f473 <4>[ 83.083573] RDX: 0000000000000012 RSI: 00007f7610b83000 RDI: 0000000000000001 <4>[ 83.091867] RBP: 00007f7610b83000 R08: 00007f7610b82010 R09: 0000000000000000 <4>[ 83.100167] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 83.108461] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 82.954725] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 82.961407] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 82.969647] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 82.977763] lkdtm: FAIL: the thread stack is NOT properly erased # [ 82.984845] CPU: 3 PID: 2939 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 82.993822] Hardware name: Google Coral/Coral, BIOS 09/29/2020 # [ 83.000754] Call Trace: # [ 83.003812] dump_stack+0x77/0x9b # [ 83.007826] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 83.013298] direct_entry.cold+0x2c/0x38 # [ 83.017995] full_proxy_write+0x56/0x80 # [ 83.022584] vfs_write+0xea/0x3b0 # [ 83.026590] ksys_write+0x68/0xf0 # [ 83.030595] do_syscall_64+0x33/0x40 # [ 83.034898] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 83.040848] RIP: 0033:0x7f7610c8f473 # [ 83.045150] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 83.066495] RSP: 002b:00007ffd53f4a118 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 83.075282] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f7610c8f473 # [ 83.083573] RDX: 0000000000000012 RSI: 00007f7610b83000 RDI: 0000000000000001 # [ 83.091867] RBP: 00007f7610b83000 R08: 00007f7610b82010 R09: 0000000000000000 # [ 83.100167] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 83.108461] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACKLEAK_ERASING: missing 'OK: the rest of the thread stack is properly erased': [FAIL] not ok 69 selftests: lkdtm: STACKLEAK_ERASING.sh # exit=1 # selftests: lkdtm: CFI_FORWARD_PROTO.sh <6>[ 83.476136] lkdtm: Performing direct entry CFI_FORWARD_PROTO <6>[ 83.482837] lkdtm: Calling matched prototype ... <6>[ 83.488340] lkdtm: Calling mismatched prototype ... <6>[ 83.494126] lkdtm: Fail: survived mismatched prototype function call! # [ 83.476136] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 83.482837] lkdtm: Calling matched prototype ... # [ 83.488340] lkdtm: Calling mismatched prototype ... # [ 83.494126] lkdtm: Fail: survived mismatched prototype function call! # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL] not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1 lkdtm_PANIC_sh_selftests_lkdtm_panic_sh skip lkdtm_BUG_sh pass lkdtm_WARNING_sh pass lkdtm_WARNING_MESSAGE_sh pass lkdtm_EXCEPTION_sh pass lkdtm_LOOP_sh_selftests_lkdtm_loop_sh skip lkdtm_EXHAUST_STACK_sh_selftests_lkdtm_exhaust_stack_sh skip lkdtm_CORRUPT_STACK_sh_selftests_lkdtm_corrupt_stack_sh skip lkdtm_CORRUPT_STACK_STRONG_sh_selftests_lkdtm_corrupt_stack_strong_sh skip lkdtm_CORRUPT_LIST_ADD_sh fail lkdtm_CORRUPT_LIST_DEL_sh fail lkdtm_STACK_GUARD_PAGE_LEADING_sh pass lkdtm_STACK_GUARD_PAGE_TRAILING_sh pass lkdtm_UNSET_SMEP_sh pass lkdtm_DOUBLE_FAULT_sh_selftests_lkdtm_double_fault_sh skip lkdtm_CORRUPT_PAC_sh_selftests_lkdtm_corrupt_pac_sh skip lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh_selftests_lkdtm_unaligned_load_store_write_sh skip lkdtm_OVERWRITE_ALLOCATION_sh_selftests_lkdtm_overwrite_allocation_sh skip lkdtm_WRITE_AFTER_FREE_sh_selftests_lkdtm_write_after_free_sh skip lkdtm_READ_AFTER_FREE_sh fail lkdtm_WRITE_BUDDY_AFTER_FREE_sh_selftests_lkdtm_write_buddy_after_free_sh skip lkdtm_READ_BUDDY_AFTER_FREE_sh fail lkdtm_SLAB_FREE_DOUBLE_sh fail lkdtm_SLAB_FREE_CROSS_sh fail lkdtm_SLAB_FREE_PAGE_sh fail lkdtm_SOFTLOCKUP_sh_selftests_lkdtm_softlockup_sh skip lkdtm_HARDLOCKUP_sh_selftests_lkdtm_hardlockup_sh skip lkdtm_SPINLOCKUP_sh_selftests_lkdtm_spinlockup_sh skip lkdtm_HUNG_TASK_sh_selftests_lkdtm_hung_task_sh skip lkdtm_EXEC_DATA_sh pass lkdtm_EXEC_STACK_sh pass lkdtm_EXEC_KMALLOC_sh pass lkdtm_EXEC_VMALLOC_sh pass lkdtm_EXEC_RODATA_sh pass lkdtm_EXEC_USERSPACE_sh pass lkdtm_EXEC_NULL_sh pass lkdtm_ACCESS_USERSPACE_sh pass lkdtm_ACCESS_NULL_sh pass lkdtm_WRITE_RO_sh pass lkdtm_WRITE_RO_AFTER_INIT_sh pass lkdtm_WRITE_KERN_sh pass lkdtm_REFCOUNT_INC_OVERFLOW_sh pass lkdtm_REFCOUNT_ADD_OVERFLOW_sh pass lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh pass lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh pass lkdtm_REFCOUNT_DEC_ZERO_sh pass lkdtm_REFCOUNT_DEC_NEGATIVE_sh pass lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_INC_ZERO_sh pass lkdtm_REFCOUNT_ADD_ZERO_sh pass lkdtm_REFCOUNT_INC_SATURATED_sh pass lkdtm_REFCOUNT_DEC_SATURATED_sh pass lkdtm_REFCOUNT_ADD_SATURATED_sh pass lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh pass lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh pass lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_TIMING_sh_selftests_lkdtm_refcount_timing_sh skip lkdtm_ATOMIC_TIMING_sh_selftests_lkdtm_atomic_timing_sh skip lkdtm_USERCOPY_HEAP_SIZE_TO_sh fail lkdtm_USERCOPY_HEAP_SIZE_FROM_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh fail lkdtm_USERCOPY_STACK_FRAME_TO_sh fail lkdtm_USERCOPY_STACK_FRAME_FROM_sh fail lkdtm_USERCOPY_STACK_BEYOND_sh fail lkdtm_USERCOPY_KERNEL_sh fail lkdtm_STACKLEAK_ERASING_sh fail lkdtm_CFI_FORWARD_PROTO_sh fail + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #